Why is there no heating problem during the launching of a spacecraft but there is during reentry?
Imagine the air is a wall. On launch, a rocket starts slow, it finds the door-It pushes through the thick air near the ground politely, and by the…
Why does the natural world in Fallout look so damaged 200 years after the nuclear war?
Because Bethesda didn’t care to know how nuclear bombs work. In real life, 200 years after a nuclear bomb detonation, it would look more like this: or and…
Aren’t AWACs very easy targets for enemy planes? Has this been tested in modern aerial warfare? They seem to be very slow planes.
A converted civilian airliner with huge radar on it flying a predictable racetrack pattern is pretty easy to shoot down—if you ever get in range. The problem is,…
Moon landing deniers show an image with a crosshair behind an object. How can this be explained by someone who doesn’t believe the conspiracy?
The crosshair was etched into a glass plate called a Reseau plate in front of the photographic film. It allows examiners to see whether the film is warped,…
If a planet about 10 light years away from Earth had an all-out nuclear war (10 years ago), would we be able to detect it?
No. I’m not sure if this is still true or not, but a number of years ago, I heard from one astronomer who said “If there is an…
Did CERN create gold from lead?
Yes, but do not think of the alchemist’s dream – This was not about riches. In May of 2025, scientists at CERN confirmed it. When beams of lead ions are…
Why don’t tank crews just run over enemies instead of shooting them when they’re close by?
We do, but it doesn’t happen as often as you might think. [Above is a cutaway view of the Abrams driver’s compartment. Perfectly comfortable for man of average…
If all the animals in the world fought all the humans with our current tech without nukes, who would win?
First things first. Civilians? We’re dead. We’re all dead. The biggest danger isn’t: Sure, some people will get trampled to death by deer. Some will die to predators….
Which element on the periodic table seems too weird to be natural?
Bismuth. Typically, bismuth looks like this: (It looks a bit like a big piece of meat wrapped in foil, doesn’t it?) But under certain conditions, it looks like…
If a gamma-ray burst hit Earth, would we be able to realize it even happened to us due to its speed?
The problem is speed doesn’t matter. We wouldn’t know until after it hit us. Gamma-ray bursts move at the speed of light. No warning system could alert us…