What does the name Jekyll and Hyde mean? : one having a two-sided personality one side of which is good and the other evil. Why is Hyde evil? He is violent and commits terrible crimes – the trampling of an innocent young girl and the murder of Carew. He is unforgiving and doesn’t repent for […]
Are planarian worms harmful to humans?
Are planarian worms harmful to humans? Land Planarians are reported to be cannibalistic when food resources are low. While they pose no danger to humans or plants, Land Planarians have been labeled a nuisance in the southern United States in particular, and have been known to decimate earthworm populations in farms and earthworm rearing beds. […]
What is Intel graphics driver and do I need it?
What is Intel graphics driver and do I need it? Intel HD Graphics Driver is responsible for running your graphics, aka your display. Without it, your screen would be black and you would never be able to see anything. If you did uninstall it, it might use the standard VGA adapter driver, which would still […]
Are sextants still used?
Are sextants still used? Newer technologies have all but replaced the humble sextant. During World War II, the U.S. began using land-based radio beacons known as the LORAN system to help guide ships. Who invented sextants? John Campbell What did they use before the sextant? The cross-staff was an ancient precursor to the modern marine […]
Why is penicillin called the Queen of drugs?
Why is penicillin called the Queen of drugs? Penicillin was hailed as a “miracle drug” that could save lives and effectively treat a variety of infectious diseases. Today, there are many natural and synthetic types of penicillin, which are used to treat a wide range of ailments. What is a natural penicillin? Natural Penicillins were […]
What type of plane hit the Empire State Building?
What are 5 sewing safety rules?
Is walking in space tiring?
Is walking in space tiring? Of course, there are a few challenges involved in performing a spacewalk. Since the space suit is pressurized, it requires some effort to move the fingers of the glove. It’s not difficult at first, but after several hours, an astronaut’s hands can get tired and sore. Can you walk in […]
Why can Hippos run so fast?
Why can Hippos run so fast? To defend themselves they have the ability to charge or otherwise very powerfully attack possible threats. The viciousness of the attack is due in part to how much energy is needed for such a large animal to move so quickly. Physics is just against them being able to do […]
What type of materials do engineers use to increase the mechanical advantage of a machine?
What type of materials do engineers use to increase the mechanical advantage of a machine? Because friction is always present. What type of materials do engineers use to increase the mechanical advantage of a machine? They use low-friction materials and lubricants often. Why is the actual mechanical advantage of a machine always less than its […]