Button cell battery names are actually codes include the chemistry, shape, diameter and thickness. CR2032 is C lithium, R round, 20mm diamter, 3.2mm thick

Eiffel Tower facts. 1. The Eiffel Tower was completed on March 31, 1889 and was the world's tallest man-made structure for 41 years until the completion of the Chrysler Building in New York City in 1930. 2. Construction of the Eiffel Tower took two years, two months and five

Thermal conductivity of different building materials W/(m·K): Polyurethane foam: 0.024 Mineral wool: 0.04 Rubber foam: 0.1 Wood: 0.13 Gypsum board: 0.17 Aerated concrete: 0.303 Glass: 1.053 Marble/Ceramic: 1.298 Concrete: 1.448 Granite: 2.927 Steel: 47.6

On Dec. 18, 1979, LEGO toy figure was patented.

Name a Sci-Fi movie that you have watched over 5 times and still enjoy.

A couple enjoys an old fashioned zip line on a weekend afternoon, 1923

Steam typically expands 1700x from its liquid state

Six productivity rules from @elonmusk 1. Stop holding large meetings 2. Stop holding frequent meetings 3. Feel free to walk out of useless meetings 4. Stop following chain of command 5. Stop limiting communication between departments 6. Stop following stupid rules.

Human fingers can detect objects as small as 13 nanometers If your finger were the size of Earth, you'd be able to feel the difference between apartment buildings and cars.

“If I have seen further it is by standing on the shoulders of Giants.” ― Isaac Newton

Life tip: If you want a smarter kid, teach your child to read as early as possible and instill in them a love for books. Because as soon as they can read, they can teach themselves.

Mechanical reasoning test. How much force do you need to balance the lever?

“You have to respect other people’s opinions” Their opinion: 3²=6

Dr. Willem de Sitter and Albert Einstein discussing equations that provide the best available language for describing the universe seen as a whole, on a Caltech blackboard, Pasadena, c. 1932.

This 1950s child's toy came with 4 types of uranium ore and a Geiger counter. It wasn’t cheap either, selling off the shelf in 1950 for 49.50, around the 500 mark in today’s money.

5 Rules you need to follow for successful project management: 1. Clear objectives and project scope. Make it clear to yourself, the stakeholders, the team and every individual who would partake throughout the project why you are doing this project. It would be amiss to

“Shall I refuse my dinner because I do not fully understand the process of digestion?” – Oliver Heaviside

Useful tool

Life tip: Always return a car borrowed from a friend in better condition than when it was lent to you. Return it with a full tank of gas or cleaner than when it was lent to you.

How old were you when you realized there is an 8 in the middle of the 8 of diamonds card?

Illumination levels for different spaces (lux): Work space, offices: 500 Kitchen: 500 Fitness: 500 Child care: 500 Conference room: 300 Corridor: 200 Stairwell: 200 Toilet: 200 Dining area: 150-200 Parking: 50