How the planets are formed? Planets form from particles in a disk of gas and dust, colliding and sticking together as they orbit the star. The planets nearest to the star tend to be rockier because the star’s wind blows away their gases and because they are made of heavier materials attracted by the star’s […]
At what depth will the ocean crush you?
How long did it take to load a gun in 1791?
How long did it take to load a gun in 1791? about thirty seconds Are Matchlock guns accurate? An antique 17th century matchlock was tested in Austria (IIRC) against a man sized silhouette. The gun was aimed and fixed directly onto the center of the targets chest. At 100 meters it hit 50% percent of […]
Which location on Earth receives the most direct sunlight?
Which location on Earth receives the most direct sunlight? The equator Which direction gets the least amount of sun? How to properly orient your home South-facing rooms allow most winter sunlight, but little direct sun during the summer. North-facing rooms admit relatively even, natural light, and almost no unwanted summer heat. East-facing rooms receive the […]
How do I open a safe with 3 numbers?
How are gas turbines cooled?
How are gas turbines cooled? Fogging. Inlet air fogging consists of spraying finely atomized water (fog) into the inlet airflow of a gas turbine engine. The water droplets evaporate quickly, which cools the air and increases the power output of the turbine. What is reheating and regeneration of gas turbine? Reheating is applied in a […]
What percent humidity should I set my dehumidifier at?
What percent humidity should I set my dehumidifier at? The optimal relative humidity level is between 30 and 50 percent, according to Energy Star (and 30 to 40 percent in colder areas during heating season). If the humidity is higher than that, it can breed dust mites, mildew, and mold, and trigger allergies. Can mold […]
Why clean coins reduce value?
Why clean coins reduce value? There’s a reason that a cleaned coin is often worth less than half its original, undamaged value – numismatists simply don’t want them. In fact, in most cases, anything more than a simple surface rinsing with water to dislocate loose debris will actually remove tiny bits of metal from the […]
Where is noise pollution most common?
Where is noise pollution most common? Guangzhou, China, ranked as having the worst levels of noise pollution in the world, followed by Cairo, Paris, Beijing and Delhi. Of the 50 cities, Zurich was found to have the least noise pollution. Participants in Delhi recorded the highest average hearing loss – equivalent to someone 19.34 years […]
How do hydrogen bonds affect water?
How do hydrogen bonds affect water? The presence of hydrogen bonds also makes water molecules more ‘sticky’ or in scientific terms cohesive and adhesive. The small charges on the water molecules allows them to stick together which is why water has a ‘skin’ that small insects can walk on, and also explains why water can […]