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 […]
#509 Why do dry rooms have more static? Read More »
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
#508 What is the range of a cell phone tower? Read More »
What causes a bunged-up nose and a runny nose? A bunged-up nose is caused by inflamed nasal tissue and a runny nose is caused by too much nasal fluid. What is the nose for? Most animals have one and they do pretty much the same function for all animals that have a nose. The nose
#507 What causes a bunged-up nose and a runny nose? Read More »
How is blood pressure measured? There are two measurements for blood pressure. The first number is the pressure of the blood when it is being pumped by the heart, called the systolic pressure. The second number is the pressure of the blood between heartbeats, called the diastolic pressure. The amount of blood we have in
#506 How is blood pressure measured? Read More »
How do you get water to the top of a skyscraper? Water is pumped up to a series of tanks at different heights. Early pumps were usually suction pumps and a suction pump cannot be used to get water to the top of a skyscraper. A suction pump cannot pump water to a height greater
#505 How do you get water to the top of a skyscraper? Read More »
What causes rigor mortis? Rigor mortis is caused by the muscles in the body being unable to contract. Rigor mortis is Latin. Rigor means “stiff” and mortis means “death”. It happens because of the way that we extend and contract our muscles. If you want to reach out and pick up a cup of coffee,
#504 What cause rigor mortis? Read More »
Why was the FBI formed? J. Edgar Hoover did a lot to build the FBI, but it was actually started by President Theodore Roosevelt in 1908 to investigate corruption in government. Policing goes back to the origins of the United States of America, but the police are not that old. In the early colonies that
#503 Why was the FBI formed? Read More »
Why does the body produce fat? The body produces fat to store and release energy, for insulation, and to regulate body health. Most of us have tried to lose weight, are trying to lose weight, or will try to lose weight at some point. What we mean by that is lose fat. However, we need
#502 Why does the body produce fat? Read More »
What is a hollow-point bullet? It is a bullet that expands on impact, causing more damage, without going all the way through the target. With a hollow-point bullet, the tip is literally hollowed out. A cartridge has four parts. It has the case, which holds everything together. It has the primer, which is struck by
#501 What is a hollow-point bullet? Read More »
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
#500 How do fluorescent lights work? Read More »
