短文改错I have invented a smart alarm clock to those whohave difficulty waking up in the morning. You canset it to have-to-wake-up mode. It will jump to youturn around when the appointing time arrives. Onlywhen you wake up will it stop. Its appearance is veryordinary. Besides, it is...
Who invented the first compass?Question:Who invented the first compass?Importance of the Compass:As scouts we were taught that moss grows on the north side of a tree. But is was the invention of the compass that allowed people to locate themselves and to travel. It opened the world for ex...
Who invented the first alarm clock? Who patented the first automobile? Who invented the first windmill? Who invented the first bicycle? Who invented the practical electric motor? Who invented bifocals? Who invented the microscope in the Scientific Revolution?
Who invented trigonometry in the world? Trigonometry: If you have ever calculated the sides or angles of a triangle you have used trigonometry. Using sines, cosines and tangents is also trigonometry. Trigonometry can also help when building and putting things together. ...
Door locks are thefirst line of defense against car thieves. Modern locks are highly sophisticated, which makes it hard for thieves to break into your car. When working in conjunction with an alarm system, door locks become much more effective and work as a strong deterrent against thieves. ...
Whoever invented the idea of a couch coaster deserves some sort of medal. It's a genius idea that makes spills completely avoidable. Whether you're using a mug, a can, or a glass of wine, it will fit neatly within this expandable cupholder that slings over the couch arm. ...
“Alarm Clock.” Teller believed that the tremendous heat produced by the fission reaction would be sufficient to set off a fusion reaction within the fuel. But, as Teller’s wartime calculations quickly revealed, this was not the case. The major problem, Teller discovered, was that around 80...
[The board game] Risk was invented by French film director Albert Lamorisse and originally released in 1957 as La Conquête du Monde (The Conquest of the World) in France. It was bought by Parker Brothers and released in 1959 with some modifications to the rules as Risk: The Continental ...
The 20-year-old nursing-home employee from suburban Pittsburgh who tried to assassinate former President Donald Trump was a registered Republican who packed explosives in the vehicle he drove to the campaign rally an hour from his home.
aSo Sallin and his two classmates invented a new kind of alarm clock: a wooden box with a pig face and a digital (数码的) c lock that uses the smell of cooking bacon to wake people up. He explains, "There's no danger of burning, because I built it carefully. It uses special light...