Can you see past the horizon? Depending on the weather, and the amount of refraction, yes, you can see past the horizon., The horizon is the point where Earth curves away too much for you to be able to see it anymore. Every body in the universe has a horizon, but it depends on the […]
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Why do dry rooms have more static? This is because water in the air naturally conducts electricity. What is static electricity? Every atom has positively charged protons, negatively charged electrons, and neutral neutrons. Almost all atoms have an equal number of protons and electrons, making them stable and electrically neutral. If an atom picks up
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What is the range of a cell phone tower? The average maximum range of a phone mast is about 40 km, 25 miles. How does a cell phone tower work? Cell towers have detectors and transmitters to receive and transmit radio signals. When you want to look at a website on your phone, my site
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How do fluorescent lights work? They pass an electric current through a low-pressure mercury-vapor, which produces light. A fluorescent light is made of a tube of glass that has a tungsten electrode at each end. Inside the tube is a tiny amount of mercury and an inert gas. There is a phosphor powder coated along
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How does a nuclear bomb work? By splitting the nucleus of an atom and releasing the energy. There are two ways to make energy from an atom: fusion and fission. Fusion is the process that happens in our sun. The sun fuses four hydrogen atoms together to make one helium atom. One helium atom has
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Why do soldiers break stride on a bridge? So that the vibrations don’t make the bridge collapse. This rule was introduced by the British Army in 1831. On 12th April 1831, the 60th Rifle Corps were returning from a military exercise and they crossed over the Broughton Suspension Bridge, which had been built five years
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What are the four fundamental forces? The strong force, the weak force, gravity, and the electromagnetic force. The four forces are the fundamental forces that govern everything in the universe. They are fundamental because they cannot be broken down into simpler parts and they are the reason behind all of the laws of physics. Gravity
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Why do some things bounce and other things don’t? Things that bounce have more elasticity than things that don’t bounce. For something to bounce, it has to has to have kinetic energy. It then has to transfer this kinetic energy to internal energy and then back to kinetic energy without losing any energy in the
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How can planes fly upside down? Because of the shape of their wings and the angle that they fly at. Planes fly because of lift. Air is not an empty substance. It has molecules in the same way as a table or a chair. The air is made up of nitrogen, oxygen, carbon dioxide, neon,
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How does aspirin work? Aspirin works by stopping an enzyme called cyclooxygenase. When our tissue or organs are damaged or infected, they produce prostaglandins. These are fatty acids that act like hormones. Prostaglandins do many different jobs in the body. They are similar to hormones but they are not hormones. Hormones are produced in glands,
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