If an astronaut working on the International Space Station were somehow cut loose from his tether, would he fall back to Earth or orbit around it?
If an astronaut outside the ISS has his or her tether broken, they do not fall to the Earth. Before the tether was broken, the astronaut was in orbit at…
Is Donald Trump as beloved around the world as he is in the US?
I’ve been to about 65 countries and territories around the world (depending on how you count them), and all seven continents over the last several years. I’ve had…
If Japan had destroyed America’s aircraft carriers and oil reserves during Pearl Harbor, could they have won WWII?
No In Fact, I would postulate that Japan would have had it much worse. The U.S. Pacific fleet was moved from California to Pearl Harbor by Roosevelt in…
Escape velocity is supposed to be 24,000 mph, but our rockets never achieve this speed. How does that work?
Imagine you are sitting on a skateboard at the bottom of your drive and you need to get to the top. You could push off your garage door…