When he was 9-years old, Ronald McNair was told he couldn't sign out books from a segregated library. He went on to become a Karate champion, earned a PhD in physics from MIT, and became an astronaut with NASA. Today the library is named after him.
The ball-design for this year’s @FIFAWorldCup is called the @adidas “Telstar 18”. Nice. Telstar: World's first communication satellite, launched in 1962 by @NASA for @ATT Bell Labs. Dead but still up there, inspiring spheres the world over.
This long pole is called a “cheater.” It attaches to the end of the pipe wrench for more torque. Longer distance + same force = greater torque.
Get a fidget spinner up to speed and throw it. It will stay frozen in the orientation that it left your hand because of angular momentum.
When driving, you let off the brakes a little as you come to a stop to account for the transition from kinetic friction to static: the latter is stronger.
Space cannons have not been successfully introduced for many reasons, one being the immense drag produced in the thick atmosphere near earth’s surface.
Many thermally insulating cups have a vacuum seal between inner and outer layers. This means there are no molecules which can carry heat between layers and heat travels across very slowly (only radiation).
View from SpaceX Launch Control. Apparently, there is a car in orbit around Earth.
T-0 delayed to 2:20 p.m. EST, 19:20 UTC due to upper level wind shear. Continuing to monitor winds and will update as info becomes available.
Science happily ever after.
In the spirit of Christmas, trees pull water up to their branches using capillary action. It’s only possible because water molecules are very polar (attracted to each other).
Einstein’s great contribution was in considering the speed of light the fundamental constant rather than mass and time as we observe them.
If that paper’s findings are accurate, we will have to redefine quantum mechanics and will be able to produce thrust without bringing fuel onto the ship!
EXCITING NEWS FOR SPACE EXPLORATION! sciencealert.com/it-s-official-…
Sound travels slightly faster at the bottom of the ocean than near the surface since the water is slightly more dense.
Electric cars will beat their gas counterparts in short sprints. This is because gas motors need to shift gears but electric cars don’t.
Bullets can only travel as fast as the rate of expansion of the gases behind them. A rail gun uses electricity and magnetism to fire projectiles much faster en.m.wikipedia.org/wiki/Railgun
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