NASA came up with at least one solution to that problem. Marc Serota/Getty Images After NASA launches a shuttle into space, a slew of fuel and chemical waste remain on the launching pad and surrounding area. One compound in particular, trichloroethylene, also called "trike," takes a ...
NASA came up with at least one solution to that problem. Marc Serota/Getty Images After NASA launches a shuttle into space, a slew of fuel and chemical waste remain on the launching pad and surrounding area. One compound in particular, trichloroethylene, also called "trike," takes a ...
women weren’t expected to contribute to more complex and male-controlled fields such as technology, science, and business. However, through the years, many ladies have proved and continue to prove to the rest of the world that they can also rise and excel in these fields...
Flyte is a light bulb that can float (漂浮) and turn. Flyte has been popular with most people since it came out in January. The company also introduced a lot of similar products, including a planter, Lyfe, which came out in June. Little PrinterIt looks lovely and is called Little ...
Jules Verne Inventions That Came True批注本地保存成功开通会员云端永久保存去开通 8 Jules Verne Inventions That Came True (Pictures) Electric Submarines As made interactively evident by a retro-futuristicGoogle doodle, Tuesday would have been the 183rd birthday ofJules Verne. Had he lived to see ...
It can come from anywhere, but the inspiration for VELCRO came from nature.In 1941, George de Mestral was taking a nature hike in Switzerland one day. He noticed many burs(芒刺) sticking to his trousers. When he got home, he looked at one of the burs under his microscope. 2 . "...
It’s rumored NASA invented Velcro in space, but it’s just guilty by association as it’s often used during space missions. Electrical engineer George De Mestral came in from walking man’s best friend to find cocklebur fruits littering his dog’s coat. Pulling out a microscope, he found...
What are these electric blue ponds in the middle of the Utah desert? And why do they keep changing color? Bangs Cutter I'm a 35 years old scientist, and this is the first time I learnt that the name "potassium" came from "pot ash". One of those trivia facts which you don't reall...
(4)细节理解题,根据 Flyte is a light bulb that can float and turn. 可知Flyte可以漂浮 , 故答案是C。(5)正误判断题,根据Flyte has been popular with most people since it came out in January,可知Flyte是二月份发明的,而不是一月份 , 故答案是C。Another problem caused by online shopping is air...
Alan Turing’s first major accomplishment came while he was at Princeton, where he developed the Church-Turing thesis. In 1935, at the age of 22, he was elected a Fellow of King’s College. Important contributions and achievements Alan Turing invented the Automatic Computer Engine (ACE). He...