How do submarines handle medical emergencies like a ruptured appendix when they’re deep underwater or in remote locations?
Approximately 1973, a USS Will Rodgers (SSBN 659B) crewman had a ruptured appendix roughly midway thought our patrol. The mission was a nuclear deterrent patrol, meaning 3 months…
Why do LED bulbs still burn out very frequently, aren’t they going to last over 10 years?
Because you are using them wrong. But it’s not your fault… Allow me to explain: For roughly ever, we used incandescent bulbs, that work by getting hot. That’s…
Why are bears the only animal that there is a panda version of? Why are there no panda donkeys?
Because this isn’t a panda at all: This is a panda: In 1879 a researcher named Alphonse Milne-Edwards examined a giant panda skeleton and decided that it was…
Why does Europe have a voltage of 220V, Japan has 100V, and North America has 110V? Is 220V better, more dangerous, or more efficient? Why doesn’t the world converge into a more unified voltage?
Back in the early 20th century Edison experimented extensively to find the ‘sweet spot’ voltage for incandescent lamps. That is, most lumen’s vs filament life. He settled on…
Does a CPU get weaker over time?
No. CPUs don’t get weaker with age – They run or they die. Generally a CPU works or it doesn’t., Partial failures are rare – The chips themselves don’t…
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…