#805 Why are clouds white?
Why are clouds white? Because the water particles in the clouds scatter light equally. When light comes out of the sun, it is white. That is to say, it emits…
Why are clouds white? Because the water particles in the clouds scatter light equally. When light comes out of the sun, it is white. That is to say, it emits…
Why does a cracked whip make a sound? One portion of the whip moves faster than the speed of sound, creating a sonic boom. A sonic boom is created by…
How do weight loss drugs work? They either reduce the appetite, reduce the absorption of nutrients, or increase the amount of fat that the body burns. Obesity is becoming a…
Why do poppies make opium? Not all poppies do make opium, but the ones that do, make it to ward off pests. There are 775 different species of poppy, known…
What is truth serum? It is a drug that prevents people from censoring themselves so they reveal the truth. These drugs are usually barbiturates and there is no real proof…
What causes turbulence? It happens when an airplane flies through turbulent air (hence the word turbulence) and gets buffeted around. Turbulence can cause a plane to suddenly rise or fall…
How does a Maglev train work? They use magnets to move the train forwards and to reduce friction. Maglev is the shortened form of magnetic levitation, and it is a…
Why does ice have so little friction? Because there is a very thin layer of water on top of the ice. Although, the reason for that is not completely understood.…
Why are emulsifiers used in processed food? They help different compounds to combine, and they make foods less sticky and easier to eat. What are emulsifiers? Their basic job is…
What are stalagmites and stalactites? They are deposits of minerals that form in caves. Stalactites hang down from the top of the cave and stalagmites rise up from the ground.…