Category: Physics

Can you leave convector heater on overnight? A modern space heater can be very safe to keep on for long unsupervised periods of time, including while sleeping. Be sure your heater is certified by one of the three major testing organizations and has features like automatic shutoff, tip over protection, a shut off timer, and […]

What was the most common torture device? The Rack How did the iron chair work? The large hole at the bottom of the seat was made to put coal and fire under to burn the victims lower body parts and slowly roast them alive. This torture technique did not necessarily cause death itself, it was […]

Why is Wing Chun useless? There’s very little skills in Wing Chun that are functional for self-defense. The rest is useless for the following reasons: Rigid footwork – Wing Chun footwork is too rigid and not very mobile. Mobility and speed are very important in self-defense. Why Wing Chun is not used in MMA? So […]

Who got pregnant at 11? The Peruvian girl became a mom at just the age of 11 and the delivery was a success. The girl is not the youngest Mother in history as in 1939, A Peruvian children gave birth at the age of just six years. The Girl’s name was Lina Medina. What is […]

Who is the best bass guitarist ever? Throughout the years, there have been many exceptional bass guitar players, and we have compiled a list of the 15 Best Bass Guitarists of All Time. Paul McCartney. Flea. John Paul Jones. Geddy Lee. Les Claypool. Victor Wooten. John Entwistle. Lemmy Kilmister. Who are the best bass players […]

How do you change the speed of sound without affecting pitch? Choose Edit > Select… > Choose Effect > Change Tempo…. Unlike some audio editors, Audacity contains the option to change the tempo of an audio file without changing the pitch. 3. In the Change Tempo dialogue box, you can use the slider to change […]

Where can I fill my CO2 tank for a paintball gun? The best place is a sporting goods store or a paintball shop, which can fill your tank for just a few dollars per 1,000 PSI. You can also check out some scuba, welding, or fire extinguisher shops and ask to use their CO2 tanks. […]

How many days is too long for a child to have a fever? Fever is usually a sign that the body is fighting an infection. A temperature of 38°C (100.4°F) or higher means a fever. See your doctor if your child has a temperature that lasts for more than three days or if your child […]

Does fishing cause pollution? But meat and dairy aren’t the only foods that are harmful to the environment. Eating fish also has awful consequences for the earth and is a huge contributor to pollution of our oceans and waterways. According to a study, a 2-acre fish farm can produce as much waste as a town […]

How do eagles fly? These large birds move through the landscape primarily by soaring—a style of flying where they hold their wings outward and rarely flap, saving them considerable energy. Instead of flapping, they rely on rising air currents to gain altitude. Two types of rising air currents provide most lift for soaring eagles. Do […]