What is the difference between conduction, convection, and radiation? The difference is that they are three different ways of transferring heat energy. I think we first need to look at what heat is. Heat is defined as “the transfer of thermal energy from one physical system to another system, or from one region in a […]
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Why can young people learn more easily that old people? Young people can learn more easily than old people because they have greater neuroplasticity. Neuroplasticity is the brains ability to increase, change, and reorder connections. When we learn something new, our brain has to store the information somewhere. I thought that when we learned something
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What caused the Chernobyl disaster? Reactor number 4 at the Chernobyl nuclear power plant exploded after a test to simulate cooling the reactor went wrong. The disaster was blamed on the workers, but they were not trained properly, and the design of the reactor was flawed. Let’s look at how a nuclear power plant works.
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How quickly would you die in the vacuum of space? It depends on the size of the person and the situation, but the average person would probably die after a couple of minutes unprotected in the vacuum of space. When we watch movies, we often see someone lose their helmet in space and then their
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Why are some people albino? Some people are albino because they don’t produce melanin, which colors our bodies. However, any living thing that has color can be albino. The condition is called albinism. Anything that has a color pigment can be albino if that pigment isn’t produced. You can get albino fish, insects, birds, mammals,
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Is time travel possible? Time travel into the future is possible but time travel into the past is most likely not. It is difficult to say if something is possible or not because we can only judge the likelihood of it being possible with our current knowledge and technology. There is no way of knowing
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What happens if you get struck by lightning? If you do get struck by lightning, which is more common than you might imagine, it can cause severe burns, damage to the nervous system, cardiac arrest, a lot of other damage, and death. It is estimated that 240,000 people a year are struck by lightning, and
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What were the bone wars? The Bone Wars were a feud between two American fossil hunters in the 19th century. The two were Edward Drinker Cope and Othniel Charles Marsh. Their war pretty much financially destroyed both of them. Edward Drinker Cope was born in 1840. His family were very wealthy and he developed an
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What is the albedo effect? The albedo effect is how much a surface is able to reflect sunlight. Light colored surfaces reflect more, and dark colored surfaces reflect more. The word “albedo” comes from the Latin word “albus”, which means “whiteness”. It is a way of measuring how much sunlight an object can reflect, and
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How does regenerative braking work? Regenerative braking works by converting the kinetic energy of the moving car back into electrical energy that can be stored in the battery. Regenerative braking is mostly used by electric cars or hybrid cars, and it is a way of recovering energy. Electric trains use it as well. Let’s look
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