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Technical and scientific facts, step by step explained by an engineer. Every day, an interesting fact here on TechTranslate! Please visit my YouTube channel.
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TechTranslate
The purpose of this account is to share my passion for explaining interesting technical and scientific facts that are not intuitive, often misunderstood, or simply odd.
I'm always eager to learn, particularly when others provide context, correct me, or even prove
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@imcoolchristian
It's truly sad that there are such backward individuals who post such things without any respect for women.
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This individual thinks that Antarctica is an ice wall around the flat earth.
I sent him a link, where he can book tourist flights over Antarctica.
Now he locked himself into his echo chamber.
😩
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@RpsAgainstTrump
I highly appreciate the 'Republicans Against Trump' campaign.
Historically, the Republican Party has produced figures of global renown and respect.
Trump, however, is not a traditional Republican; he uses the party for his personal gain.
Remark: I'm not from the US, I
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Why Spacecrafts don't go straight up into space?
Spacecrafts don't go solely to space, they go to orbit.
Therefore they have to reach orbital velocity approximately 28,440 km/h (17,671 mph).
To clear the densest parts of the atmosphere, rockets ascend initially almost
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@sergioa94679493
The upper picture shows a high g maneuver, resulting from a narrow turn or pulling up. The centripetal acceleration caused by the aircraft is felt by the pilot as the inertial centrifugal acceleration, which can cause the pilot to black out.
The ISS is traveling at a constant
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@engineers_feed
👍
Just remember:
Connecting: + first
Disconnecting: + last
The reason is:
If you would connect 3 and 4 first ( - ), and you hit accidentally with 1 or 2 ( + ) the body of the other car or a peace of metal in the engine compartment, you would create a solid short circuit!
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The evidence I presented proving 9/11 was real was too convincing, so I got blocked. 😉👍
Avoiding evidence and discussions with knowledgeable counterparts is one way conspiracy theorists commonly react.
My personal opinion:
Claiming that 9/11 was fake is disgraceful and an
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Is it possible to capture the curvature of the earth with cameras on ground level?
Please consider, the Earth's circumference is about 40,075 kilometers (24,901.51 miles) at the Equator. So it has a flat appearance in our everyday life.
To capture the curvature of the Earth
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@sergioa94679493
It is just Pareidolia!
The phenomenon where our minds perceive familiar patterns, like faces, in random stimuli.
Ever seen a face in the clouds?
That's pareidolia at work!
For example the rock formation below resample for me a giant pillar with a ball on top.
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Another flat earther locks himself into his echo chamber.
Or he knows that the Earth is spherical and just wants to protect his engagement-farming account based on lies.
Most likely, by lying to his flat earth followers, he feels superior in getting attention, which he lacks in
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Flat Earther Self-Debunking Kit
Presented by TechTranslate
Dear Flat Earthers,
please input the values from your preferred Flat Earth "model" into the equation.
This equation will calculate the angle at which you should be able to see the Sun at night in the sky.
Then,
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Flat Earther Self-Debunking Kit 3
Flat Earthers claim that the Sun does not set; it just moves farther and farther away.
Let's calculate how dark it can maximally get at night.
This post is inspired by individuals on X who claim that the Earth is flat.
Dear Flat Earthers,
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Was the Lunar Landing Module wrapped in tinfoil?🤔
The silver/golden foil is not tinfoil, it is Kapton Foil.
The choice was made for its material properties.
Kapton, an aluminized polyimide film, boasts a wide temperature tolerance, from -269°C (-452°F) to 400°C (752°F),
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@James_Hawke1
It's important to understand that when using not-to-scale models for eclipses, the following principles must be adhered to:
1) The Sun is larger than the Earth.
2) The Sun is larger than the Moon.
3) The Earth is larger than the Moon.
In the lower picture, only principle 3) is
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From SciManDan, what flat earthers can't explain:
Why can people in the southern hemisphere see the same star formation "Southern Cross" in different directions? 🤔
This phenomenon is inexplainable on a flat Earth and only makes sense on a globe Earth. 😜
The "Southern Cross"
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Just realized, another flat earther has locked himself in his echo chamber. 😩
This is their protection mechanism when they subconsciously realize that you have the better argument that the Earth is spherical.🌎
I really hope that one day he will realize that everything we
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@flatsmackin
Yes, controlling such a rocket is challenging, but it is technically feasible.
Hundreds of spectators saw it launch with their own eyes ... thus it is defiantly controllable:
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Earth spins at 1669.76 km/h (1037.54 mph) at the equator why does the water not fly off? 🤔
Especially at the equator due to the centrifugal acceleration the earths gravitational acceleration is reduced.
But it is still 99.66% of the gravitational acceleration.
Come on, it is
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Are you familiar with the Dunning-Kruger effect?
The Dunning-Kruger effect is a cognitive bias where people with limited knowledge or competence in a domain overestimate their own ability, while experts underestimate theirs.
This leads to a mismatch between self-perception and
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Vacuum does not suck! Part 2:
Space does not suck too! 😉
Earth's atmosphere isn't "sucked away" by space because vacuum does not suck 😜, we learned this in Part 1!
Instead, the force of Earth's gravity is pulling gas molecules into the direction of earth's surface.
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Helium Balloons Disprove Gravity?
No!
The upwards force is due to buoyancy!
Buoyancy relies on Gravity!
Further, no Gravity, no buoyancy (take a look at the formula)!
Helium balloons rise not because they defy gravity, but because of the principle of buoyancy, which itself
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The strongest argument against conspiracy theorists, such as flat earthers and those who believe in chemtrails, is provided by themselves:
Their freedom to express these theories.
Should a powerful "secret organization" exist, capable of orchestrating the scenarios conspiracy
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@TerryNizzle
For context:
Google search: "eclipse from iss"
It has been already photographed and filmed multiple times:
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Breaking News:
We have a value from a flat earther (
@GlobeSlay3r
) how high the sun is above earths surface:
3,109 miles = 5,003.45 km
According to this value, the sun would be visible at midnight in New York City at an angle of 17.9° in the sky.
Constrain:
We have
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@PastorAlexLove
For context:
This is an example of pareidolia.
The phenomenon where our minds perceive familiar patterns, like faces, in random stimuli.
Ever seen a face in the clouds?
That's pareidolia at work!
For example, the rock formation below resembles, to me, a giant pillar with a
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@flatsmackin
For context:
On September 11, thousands witnessed the planes hitting the World Trade Center live, and countless videos from various angles were recorded.
This extensive documentation by people from multiple perspectives provides a profound and undeniable record of the events.
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@WildOne_KY
For Context:
In scuba diving, divers typically use compressed air for breathing underwater, which is different from the concept of a spacesuit.
A more appropriate comparison for a spacesuit's life support system would be rebreather equipment used in diving, which recycles
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Fun fact:
Atmospheric refraction ironically makes the Earth appear flatter.
Contrary to the assertion, of flat earthers.
This is because the atmosphere is denser closer to the ground, causing light to refract "downwards".
Our eyes and brain cannot comprehend that the light
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Shouldn’t the stars shift over the year, because of earths orbit around the sun?
Yes, they do!
It is called the parallax effect!
The Parallax Effect involves observing the apparent shift in position of nearby stars against the background of distant stars as Earth orbits the
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Flat Earth evidence photo?
NO!
It is fake!
It's a photoshopped artistic rendering of a meteoroid impact crater!
This fake is constantly shared by flat earthers here on X as "evidence".
It took me 1 minute with google picture search to find it out!
Nobody is so stupid to
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Gravity: Two Theories?
Newtonian vs. General Relativity?
The Newtonian formulas, formulated in the late 17th century, accurately describe the effects of gravity in our daily lives.
Newton's theory is valid for relatively low speeds (compared to the speed of light) and weak
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Individuals on X who believe the Earth is flat claim that the curvature visualized by the "Lake Pontchartrain Transmission Lines" only occurs in one direction and only at the horizon ...
... so they claim the image is fake.
It is based on misunderstanding of geometry and
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The Earth is spherical,
has this knowledge ever been lost?
The knowledge that the Earth is spherical has ancient origins, dating back to the Greeks. Notably, Pythagoras (6th century BC) and later Aristotle (4th century BC) supported the idea, with Aristotle providing empirical
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The Sun and Earth travel at ~706,835 km/h (~439,207 mph) around the center of the Milky Way.
Why do we see the same star constellations every year?
(This post is inspired by individuals on X, who claim that Sun and Earth are stationary, otherwise we would see new star
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Pressure in an open container
In order to create pressure, or more precisely, higher pressure than the environmental pressure, in an open container, you need a gas with a higher density than air.
Density of air: ρ = 1.225 g/L
One of the gases with the highest density is SF6
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@FlatMack
This has been debunked already a long time ago:
The rumor that combined vaccine MMR (measles, mumps, and rubella) cause autism was started by Andrew Wakefield in the late 90ies.
His motivations for linking vaccines to autism were primarily financial.
He had a patent for an
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Fun fact:
My wife saw me making this slide, she said:
"Nobody is so stupid to believe the earth is flat!" 🤣
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@WildOne_KY
Velocity and acceleration are two distinct physical quantities that describe different states of motion.
- a constant velocity you cannot feel
- a constant acceleration you can feel
Understanding the types of motion is essential to differentiate between those we can perceive and
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@flatsmackin
1.)
Rocket fuel consists of fuel and oxidizer.
For example for a liquid hydrogen rocket engine:
Hydrogen (H2, fuel) and Oxygen (O2, oxidizer).
Both components are stored in two separate tanks.
2.)
A rocket does not "push off" something; thrust is based on the principle of
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Ramadan in Dubai's Burj Khalifa proves the curvature of the earth
Ramadan fast 'lasts longer high up'
During Ramadan, the fasting period is determined from dawn until sunset.
Due to the Burj Khalifa's immense height, there is a noticeable difference in the time the sun sets
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Time Dilation and Warping of Spacetime
Were these phenomena ever actually proven?
Simplified, every scientific theory is developed to describe observed phenomena. Due to the mathematical models at their core, these theories are also capable of predicting phenomena. These
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@PhysInHistory
I think we should remove God from the equation if we're serious about science.
History shows that religion mostly slowed or even stopped scientific progress.
It's counterproductive to conduct research with religious bias or any bias, for that matter.
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@EscanorReloaded
🥱
You can even book tourist flight over Antarctica, here some more interesting facts:
Antarctica:
Interesting Facts
Feel free to share more facts!
No native population:
Antarctica is the only continent without a native human population. The people who live there temporarily are scientists and support staff at research stations.
The Coldest Place on Earth:
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I am not sure when and why exactly ...
But another engagement harvesting account, who pretends to believe that the Earth is flat locked me out.
Now he thinks that he can continue to lie to his followers...
Please feel free to forward my slides to him ... with my sincerest
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@Ophiuchus901
For context:
In this formula, A represents gravitational acceleration. Thus, the original poster provides evidence with this formula that the buoyant force depends on gravity.
Furthermore, this shows that without gravity, buoyancy would not function.
Best regards ❤️
Geee from
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@JasonBjorn5
Totally normal, these are just contrails and clouds.
But yes, these days it is difficult to take a photo of the sky without contrails because, air travel has increased massively in the past decades.
Contrails, or condensation trails, are formed when aircraft engines combust
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@WildOne_KY
These pictures are a great demonstration of:
1.
Earths orbit around the sun and Earths axis is tilted, therefore we have seasons and the suns sets not always on the same spot.
2.
The Earth is a rotating globe (otherwise the sun won't set).
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Solar Eclipses:
Basic calculation of the size of the umbra, the part of the Moon's shadow where a total solar eclipse is visible.
(This post is inspired by individuals on X who claim that the umbra must be the size of the Moon's diameter.)
Key is understanding the line of
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Proof of Earth's Curvature from the Surface of the Earth:
The Rainy Lake Experiment
The „Rainy Lake Experiment" was an unbiased scientific experiment carried out on the surface of the Earth.
The experiment involved setting up precise targets across Rainy Lake and measuring
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@rachelrogers81
For context:
This is why Venus is called the morning or evening star, it is only visible a relative short time before and after sunset/sunrise.
Mercury is much more difficult to spot, only very shortly before and after sunset/sunrise.
Best regards ❤️
Geee from TechTranslate
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@CryptoStu3
For context:
Balloon rise due to buoyancy:
An upward force occurs because the balloon's gas is lighter than air (at the same pressure per volume), displacing more weight in air than the gas's own weight including the balloon.
This creates lift.
In detail:
The buoyant force
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Do Planetary Orbits Disprove Gravity?
(This topic is inspired by individuals on X who claim that orbits disprove the existence of gravity.)
No!
The orbits result from objects moving in a path where the gravitational pull is balanced by the inertia of their motion.
An orbit is
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Warping of spacetime,
was this phenomena ever actually observed/verified?
(This topic is inspired by individuals on X who claim that this has been never observed.)
YES !
Here are four ways this phenomena, as predicted by General Relativity, can be observed/verified:
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No steering wheel in the LRV?
How was it controlled?
The vehicle was steered and driven using a T-shaped hand controller located between the two seats.
This controller was designed to be operable even when astronauts were wearing their bulky lunar suits.
Using a steering wheel
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@ornery_owls
@GhostGone420
This is really sad to see.
It's a shame to indoctrinate children with such misinformation.
However, she seems to be clever; in a few years, she'll realize the "flat earth model" doesn't work and that her parents indoctrinated her with misinformation, and she'll condemn her
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Gravitation not a Force?
(This subject was recently discussed on X, by people who claim it does not exist)
There is more than one theory?
All existing theories concur on a fundamental observation:
Objects with mass attract each other !
Newtonian
Gravity is envisioned as a
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How Can a Helicopter Hover?
Earth's tangential velocity reaches up to 1,669.76 km/h (1,037.54 mph) at the equator due to Earth‘s rotation.
(This post is inspired by individuals on X who claim that this could not be possible on a rotating spherical Earth.)
The helicopter,
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Dear
@PaulGre69786366
because you limited your comments to your followers,
I can help you understand how the lunar roving vehicle (not buggy) has been stowed into the base of the lunar lander descent stage (not spaceship).
Follow the picture from left to right (slowly).
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HiRes on the Moon in 1969 to 1972?
For high-resolution photography and filming, cameras using analog negative films were used.
The exposed films had to be developed after the mission on Earth and were then published.
Analog cameras of that era already had resolutions
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Space:
Is it cold or warm?
Temperature is fundamentally defined as a measure of the average kinetic energy of the particles in a substance, such as molecules or atoms.
In environments where particles are abundant, such as air or water on Earth, temperature can be relatively
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@TheGlobeIsDead
No math is needed:
Even the Picture of the Mount Fuji, used for this meme, shows that a big portion of the mountain disappears below the horizon.
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Is Gravity in water lower?
(This topic is inspired by individuals on X who claim that gravity does not exist.)
No!
Buoyancy is much higher in water than in air, thus objects fall slower or even float!
Objects fall slower in water than in air primarily due to the significant
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@maria_avdv
This is horrible to see.
I was from 2014 to 2018 regularly in Kharkiv for a project.
It is tough to see this city like this.
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Did you know?
Vacuum does not suck! 😉
Gases naturally expand to fill available space, moving from areas of high pressure to low pressure to achieve uniform pressure distribution.
The vacuum doesn't suck the balloon into shape; the gases inside the balloon expand to equalize
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Tides are more complex than we thought 🤔
The gravitational force of the moon on the Earth's surface is 1/10,000,000 smaller than Earth’s gravitational acceleration, g.
This small gravitational acceleration, compared to Earth's, is too low to lift or pull anything upwards.
But
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@KimSimpson03
For context:
This image demonstrates the Earth's curvature; even from a high altitude, only the white snowcap of Mount Fuji is visible.
Please compare this with the view of Mount Fuji from a closer distance.
For context as to why the curvature is not visible in the original
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@RjNol
For context:
Regarding the electric motor:
It's a direct current electric motor missing its stator magnets (in the GIF below, red and blue). As soon as he places the magnets near the rotor's windings, the motor's rotor begins to rotate as expected.
You can even see the electric
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@Merica_81
The photo in the original post is the Lunar Lander it has been taken from the Apollo Command Module (photo down below and this one has been taken from the Lunar Lander), shortly after undocking for the lunar landing.
The Apollo mission conducted a Lunar Orbit Rendezvous.
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Have you ever seen a Sun dog or Sun Halo ?
The optical effect that results in "false suns" or "mock suns" and halos around the sun, appearing next to the sun in the sky is known as a sundog.
Sundogs are part of a larger family of optical phenomena called halos, which are
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How was the Lunar Roving Vehicle transported to the Moon?
The Lunar Roving Vehicle (LRV) was ingeniously compacted and stowed in the descent stage of the Lunar Module (LM) for transport to the Moon during Apollo missions 15-17.
This storage solution allowed the LRV to be
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Why do moon mission do not fly directly up to the Moon?
In orbital mechanics, a straight line between two celestial bodies is not necessarily the most energy-efficient path.
Spacecrafts destined for the Moon do not take a direct route due to the laws of orbital mechanics, where
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Heat-shield for re-entry but no heat-shield for launch?
(this post is inspired by individuals on X who claim space flight does not exist)
During launch, the majority of the acceleration occurs outside the Earth's atmosphere!
For example, at 100 km altitude (62 miles) the
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@WildOne_KY
Please consider, the Earth's circumference at the Equator is about 40,075 kilometers.
On Dec. 30, 1930, the first-ever photo showing the Earth's curvature was captured from 22.07 km (72,395 feet) above the Earth's surface.
Even at the altitude shown in the photograph, 22.07 km,
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Lake Pontchartrain Transmission Lines,
Flat Earther Image/Video Becomes Blurry
at the Most Interesting Spot
The lower picture in the photo below is often presented by flat Earth proponents as evidence for their claims.
The upper picture, taken from the same or a similar
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Could Optical Effects Caused by Temperature and Water Vapor Contribute to the Observable Curvature with Reference to Objects of the Same Size?
No!
(this post is inspired by individuals on X who claim this)
Mainly, the following atmospheric effects are to be considered:
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That was short .... a moon landing conspiracy believer blocked me.
He still does not understand how the lunar roving vehicle was stowed into the base of the lunar lander descent stage. 😏
Even other conspiracy theorists surely hate him for posting this because it is so
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@sacred22763
This is Stanley Kubrick in the photo below.
Similarities to Salman Rushdie:
- two eyes
- two nose holes
- just one nose and mouth
- two eyebrows
- both have hair
=> must be the same guy 🤪
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@WildOne_KY
It would be difficult to walk on a spherical shaped floor.
Further, this would be the worst conspiracy ever ...
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Debunking a Flat Earther’s Meme on Felix Baumgartner’s Parachute Jump from the Stratosphere
The meme essentially states that due to Earth’s rotation at 1000 mph, this stunt would not have been possible on a rotating Earth (meme is on the right of the slide).
1.
Earth's
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Hitchens's razor
„What can be asserted without evidence, can also be dismissed without evidence.“
Hitchens's Razor is a principle in the realm of debate and discourse that emphasizes the critical importance of evidence in claims.
This principle asserts that a claim requires
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Azimuthal Equidistant Projection of the Globe
Used by individuals who believe the Earth is flat
A hypothetical flat Earth map would need only a scale factor and it would be:
- Conformal:
Angles are the same as in the real world
- Area-preserving:
Areas relative to each
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@ConstanceO70446
Thank you, this is the confirmation we needed.👍👍👍
This truly makes me happy. ♥️
And motivate all of us. 👍
It's damn time that this flat earth pseudo science and other conspiracy theories are not left on X without the proper context.
Geee from TechTranslate
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Do shadows not running parallel prove that the Moon landing was fake?
(this post is inspired by individuals on X who believe the Moon landing has been faked)
No!
Uneven ground, objects not perfectly vertical, and perspective can cause shadows on a photograph to not appear
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1 kg on Moon = 1 kg on Earth ?
Mass and Weight are different physical quantities
Both terms are often used interchangeably in everyday language, but they describe different physical quantities.
Mass
Mass is a fundamental property of an object that measures the amount of matter
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Flat Earthers get everything wrong
As demonstrated in the meme below.
The scientific conclusion of the first four experiments was:
Aether does not exist, and light travels at a constant speed independent of its observer.
This was one of the basis for Einstein's Theory of
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@AntiDisinfo86
"vortex theory of the atom" was proposed in ~1870 to 1890 by William Thomson.
It is based on the idea that atoms are vortices in the luminiferous ether. Also, other scientists of this time were attracted by this theory and provided substantial work to it.
The existence of the
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Y2K Bug was it just a hoax, because nothing happened?
No, it was serious!
The potentially severe impacts of the Millennium Bug were largely prevented through intensive efforts to analyze and modify the affected code.
Across the globe, IT professionals and programmers dedicated
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All objects fall at the same rate regardless of their mass,
an intuitive way to understand it.
Please follow the sketches 1 to 3 and you will understand why the object with double the mass (3) will fall at the same rate as each mass individually.
Fun fact:
This would as well
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@GhostGone420
A rocket does not "push off" something; thrust is based on the principle of conservation of momentum.
It is the same principle as the recoil of a gun:
Have you ever felt the recoil of a gun?
This is thrust!
Did you feel the recoil at the moment the bullet hits the target,
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@WildOne_KY
No, it does't:
1.
The gravitational acceleration (g) points always to the center of mass, thus toward Earths center.
This is why water "curves" around the entire sphere of the Earth.
2.
Earth circumference is approximately 40,000 kilometers. Thus on 1,5 meters the curvature is
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@James_Hawke1
Tides are actually more complex. This is basically how it works in Newtonian physics (it is sufficient for this purpose).
The critical thing to understand is that the tangential component of the red vectors is mainly responsible for the tides.
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This is a new dimensions of ignorance:
If you provide evidence from mathematical and physics perspectives.
Now supposedly math is fake ... 😩
@TommyLee0050
For context:
The meteor which crated Barringer Crater (the upper photo of the Meme) had an estimated velocity of 29,000 mph (12.8 km/s) up to 45,000 mph (20 km/s) when hit the surface of the earth.
Even at the equator the tangential velocity is just
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Flat horizon shots from low earth orbit? 🤔
Wide-angle and fisheye lenses distort the image, depending on the camera's positioning/viewing angle.
The Earth's shape especially in low Earth orbit can appear warped upwards or downwards, making it seem "rounder," flat, or even
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@idropFbombs
For context:
The launch site is selected in such a way that, in case of a mishap, the debris does not fall into populated areas.
Further in this context:
Why Spacecrafts don't go straight up into space?
Spacecrafts don't go solely to space, they go to orbit.
Therefore they have
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@BillyZigouras
Yes it is easy:
@No_Curve
With reference objects of the same size, each at the same distance, you can see it from the surface.
Or your example with the ship going over the horizon.
Otherwise it is difficult to see it because of the size, Earth's circumference is about 40,000 kilometers.
You are so
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