Why can’t they use seawater for fires?

Ocean water is sometimes used when close enough for helicopter dip tanks or scooping airplanes. However it is rarely used. Ocean water is salt water. While during a…

What happens if you fall overboard a giant cruise ship in the middle of the ocean?

As a veteran employee of cruise ships I will chime in here along with the several good answers already given. Except for the fella who said you have…

If we could travel 1 billion times faster than the speed of light, will we reach other galaxies in seconds, or what would happen?

Here’s the thing, If you travel to the next galaxy at the speed of light YOU will arrive instantaneously If you travelled FASTER than light .. if were…

Is Donald Trump less educated than Barack Obama?

Trump has a four-year degree from the University of Pennsylvania. His grades and transcripts are secret. Barack Obama has a four-year degree from Columbia University, where he maintained…

Why is a lot of British SAS training just rucking/tabbing? Why is it so effective at making candidates drop?

90% of the candidates for British Joint Special Forces Selection drop out during the famous aptitude or “hill phase” in the Brecon Beacons mountains. This is not because…

Will a smoker’s lungs clean themselves if they quit smoking and how long does it take?

I quit smoking in 1985 and I’d smoked for 19 years. I’d been told that my lungs would restore themselves. At age 71, 38 years since I’d smoked…

What World War II myths are still believed today?

Two Pearl Harbor myths that seem to have real staying power even today. 1 – The US was “lucky” that the aircraft carriers were not in Pearl Harbor…

For billions of years Earth was uninhabitable. Is it possible that planets in our solar system are going through similar phases and will in the far future be able to sustain life?

Earth was created 4.5 billion years ago. Life started almost immediately as Earth cooled enough and is likely around 4 billion years. The Early Earth was a very…

Can pure oxygen be a solid?

If you get it cold enough, yes. Under normal pressure, oxygen freezes at -218.4 C and boils at -183 C. If you’re insane enough or suicidal enough to…

What are some of the worst wrong predictions ever made in history?

A few that were slightly off: “The telephone may be right for our American cousins, but not here because we have an adequate group of messenger boys.” Editorial…