Why does the coil spin in a simple motor? The coil of wire is mounted in the gap between the two magnets. The split rings make electrical contact with the coil and reverse the current every half turn. When an electric current flows through the coil, a force is exerted on the coil, causing it […]
Can cancer ever be cured?
What is the total energy of the universe?
What is the total energy of the universe? Thus, “the gravitational field has negative energy. In the case of a universe that is approximately uniform in space, one can show that this negative gravitational energy exactly cancels the positive energy represented by the matter. So the total energy of the universe is zero.” Why energy […]
Is color blindness a single gene disorder?
Is color blindness a single gene disorder? Colour blindness is a usually a genetic (hereditary) condition (you are born with it). Red/green and blue colour blindness is usually passed down from your parents. The gene which is responsible for the condition is carried on the X chromosome and this is the reason why many more […]
Can you end a letter with much appreciated?
Can you end a letter with much appreciated? It wouldn’t be taken as condescending because you have not received any response that would anticipate a declined offer. Essentially if you are starting a conversation asking for a request, “Much appreciated” is the best sign-off. When in doubt, it’s always best to use “thank you” in […]
What is the formula of potential difference between two points?
Is blood in your body blue until it touches oxygen?
Is blood in your body blue until it touches oxygen? Hemoglobin bound to oxygen absorbs blue-green light, which means that it reflects red-orange light into our eyes, appearing red. That’s why blood turns bright cherry red when oxygen binds to its iron. But this is wrong; human blood is never blue. The bluish color of […]
Which is the smallest galaxy in the world?
Which is the smallest galaxy in the world? With no more than 1000 stars apiece, spread out over just a few light-years in space, they’re the most extreme galaxies known today. Dwarf galaxy NGC 5477 is one of many irregular dwarf galaxies. What’s bigger than the multiverse? omniverse What is above an omniverse? One multiverse […]
Which rides should I Fastpass at Magic Kingdom?
Which rides should I Fastpass at Magic Kingdom? Top 5 Best Rides to Fastpass at Magic Kingdom Seven Dwarfs Mine Train (38″ to ride) Peter Pan’s Flight (Any height) Space Mountain (44″ to ride) Splash Mountain (40″ to ride) Big Thunder Mountain (40′ to ride) What are the hardest FastPasses to get? 5 Hardest To […]
Can you contract the coronavirus disease by touching a surface?
Can you contract the coronavirus disease by touching a surface? Like the common cold, coronavirus infection usually occurs through close contact with a person with novel coronavirus via cough and sneezes or hand contact. A person can also catch the virus by touching contaminated surfaces if they do not wash their hands. Are tobacco users […]