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Inventions

General Knowledge on Inventions

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)
251. The invention of Blaise Pascal and Wilhelm Schickard in the early 17th century was called?
252. Who invented a scale to measure the intensity of earthquakes?
253. Who is the inventor and Father of Barbed Wire?
254. Producing a distorted visual embodying a panoramic or hemispherical view by a special lens is credited by which scientist?
255. What is the term proposed by American inventor Robert W. Wood in 1906 regarding the ultra-wide hemispherical view from beneath the water?
256. What is the name of Indian-origin scientist who has developed World's first water-based computer?
257. What is the name of the NRI scientist who had created first single-molecule device on 25 May 2015. This electronic device has a potential of real-world technological applications for nano scale devices?
258. Which Indian-origin scientist at Massachusetts Institute of Technology, has developed artificial human microlivers for drug testing and thus won a prestigious 250,000 dollars Heinz award for her work in tissue engineering and disease detection?
259. What invention was first installed at a Hartford, Connecticut bank in 1889?
260. For what does the world owe Almon Strowger a debt of gratitude?

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