World of Engineering

Why is it so satisfying to watch?

If Earth were 50% larger, gravity would be so strong that our rockets couldn't be launched into space

Life tip: If your earbuds fall off during use and you fail to locate them, play high frequency sounds on them, locate by sound

Tesla valve

There are more hydrogen atoms in a single molecule of water than there are stars in the entire Solar System!

5 MB in 1956 vs 1 TB today

Albert Einstein explaining E=MC²

Cleopatra lived closer in time to the Bitcoin invention than to the construction of the Great Pyramid of Giza.

You are living, you occupy space, you have a mass. You matter!

What hasn't been invented, but needs to be ASAP?

Life tip: If you are putting a device into storage, pack it with its charger.

Building the iconic Golden Gate Bridge. Workers on the catwalks bundling the cables during the construction of the cables. 1936.

The Darian calendar has been proposed for living on Mars. It has 24 months and the years start from Earth year 1609 CE (when Johannes Kepler’s first observed the planet).

You spin me around!

“Thinking is difficult, that’s why most people judge.” - Carl Jung

3² + 4² = 5² 3³ + 4³ + 5³ = 6³ 3³ + 4⁴ + 3³ + 5⁵ = 3435

Beautiful picture of Saturn, its rings, and its icy moon Tethys. (NASA Photojournal image PIA14636; credit: NASA/JPL-Caltech/SSI)

In about 4 billion years, the Milky Way and Andromeda galaxies are expected to collide

What actually destroys most bridges?

When water freezes it expands by 9%

Polaroid camera founder Edwin Land built up a company that did about $1.4 billion of business all over the world in 1979. He never diversified into other businesses, never sold out to another company, and never borrowed money on a long-term basis