#519 How does C-4 work?
How does C-4 work? It rapidly produces gases at an explosive velocity. C-4 is a plastic explosive called Composition C-4 and it […]
#518 How do mountain goats climb cliffs?
How do mountain goats climb cliffs? Through a combination of their hooves, muscles, and lack of fear. Mountain goats can often be […]
#517 How do astronomers work out how far away a star is?
How do astronomers work out how far away a star is? They use the star’s parallax and the brightness of the star. […]
#516 How did the Rothchild family start?
How did the Rothchild family start? They were able to start a banking house and install it in several different countries. The […]
#515 Why can you test for drugs in urine?
Why can you test for drugs in urine? Because the liver breaks them down and then the kidneys remove drugs from the […]
#514 Why can camels go so long without water?
Why can camels go so long without water? They can survive for 15 days without water because they have several adaptations. Camels […]
#513 Is Krav Maga effective?
Is Krav Maga effective? Yes, or the Israeli army wouldn’t teach it. However, you need to train in realistic situations. Krav Maga […]
#512 How can the inner core of the Earth switch rotation?
How can the inner core of the Earth switch rotation? Because it is separated from the solid mantle and can rotate at […]
#511 How does a laser printer work?
How does a laser printer work? They use static electricity to imprint an image onto the paper. Inkjet printers and laser printers […]
#510 Can you see past the horizon?
Can you see past the horizon? Depending on the weather, and the amount of refraction, yes, you can see past the horizon., […]