#849 What are V1 and V2 on a plane?
What are V1 and V2 on a plane? V1 is the point where a plane must take off and V2 is the speed where a plane can safely climb if…
What are V1 and V2 on a plane? V1 is the point where a plane must take off and V2 is the speed where a plane can safely climb if…
What is the sunk cost fallacy? It is where people are reluctant to abandon a course of action because they have invested a lot of time or money in it,…
What is a gluon? It is a massless subatomic particle that carries the force that binds quarks together, known as the strong force. There are four forces that affect everything…
Christiaan Huygens was a mathematician, physicist, engineer, astronomer, and inventor. He was responsible for many discoveries during his lifetime. He discovered a new way to make more accurate telescope lenses…
Why do we say, “pass the bar”? The bar was a physical bar that separated a courtroom between the judges, barristers, and participants, from the spectators and average people. In…
How do sharks sense electricity? With a special organ called the ampullae of Lorenzini. They are not the only sea life that are able to detect electricity. All living creatures…
What color is the sea? It is technically blue, but that depends on the depth and what particles are in the water. The sky is blue because the blue light…
Is a killer whale a whale? Yes and no. Yes, because dolphins are technically whales. No, because a killer whale is a dolphin. They are called orcas, although they are…
Why does an atomic bomb make a mushroom cloud? Because of the speed of the blast and the heat from the fireball. We have all seen images of nuclear bombs…
When were photographs first used in newspapers? The first photograph was published in a newspaper in 1848, but they didn’t become common for a long time after that. Depending on…