Category: Physics

What happened to guy with firecracker in eye? A man was left with fragments from a firecracker lodged deep in his eyeball, after it exploded near his face – leaving him blind in his right eye. The 44-year-old man in India was left with severe sight problems after the accident, according to a case report […]

What plasma may be removed from? with 36 down, what plasma may be removed from What plasma may be removed from BLOOD With 36-Down, what you can’t do regarding this puzzle’s circled letters HEAR A What is plasma state give examples? the excited low-pressure gas inside neon signs and fluorescent lights. solar wind. welding arcs. […]

How accurate is a DEXA scan for bone density? Depending on the study you read, the variability between DXA scans can be as high as 5% to 6%. Although 5% to 6% might sound like a small amount, changes in bone growth are measured down to the hundredth and even thousandth decimal point. Can a […]

Which metal is most likely to form more than one kind of positively charged? Nickel (Ni) Is Ni a nonmetal? That is, the Group 7A nonmetals form 1- charges, the Group 6A nonmetals form 2- charges, and the Group 5A metals form 3- charges….Metals, Metalloids, and Nonmetals. Fe Co Ni Cu 4A Ge Is scandium […]

What are the six principles of the life span developmental approach? Baltes’ lifespan perspective emphasizes that development is lifelong, multidimensional, multidirectional, plastic, contextual, and multidisciplinary. Think of ways your own development fits in with each of these concepts as you read about the terms in more detail. What are the 8 stages of Erikson’s theory? […]

Is cornflour the same as corn starch? Corn flour is made by finely grinding whole corn kernels, whereas cornstarch is made just from the starchy part of corn. As a result, corn flour contains protein, fiber, starch, vitamins, and minerals, whereas cornstarch is mostly carbs….Processing. Cornstarch Corn flour Carbs 28 grams 22 grams Fiber 0 […]

What is the best tool to split wood? Trust us: you’ll feel extremely frustrated if you attempt to use a felling axe for wood splitting purposes. As with any job, having the right tool makes all the difference in the world. The best axes for splitting wood is a either a splitting axe or splitting […]

Does stone float on water? It’s true — some rocks can float on water for years at a time. And now scientists know how they do it, and what causes them to eventually sink. In this 2006 satellite image, a large “raft” of floating pumice stones (beige) appears following a volcanic eruption in the Tonga […]

What is difference between primary and secondary? Primary sources are first-hand accounts of a topic while secondary sources are any account of something that is not a primary source. Published research, newspaper articles, and other media are typical secondary sources. What is one difference between primary and secondary sources? Primary sources can be described as […]

What percentage of pollution comes from power plants? Power plants are currently the dominant emitters of mercury (50 percent), acid gases (over 75 percent) and many toxic metals (20-60 percent) in the United States (see graphic at right). What gases do power plants produce? Fossil fuel, biomass, and waste burning power plants Carbon dioxide (CO2) […]