Unanswerd questions under tag invention

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What appeared in the Netherlands in 1608, developed by Hans Lippershey, Zacharias Janssen and Jacob Metius..............

posted Oct 18, 2019 by Saif Khanam

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In February 1841, English polymath, inventor, politician and scientist William Henry Fox Talbot patented................

posted Sep 30, 2019 by Divya Bharti

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In 2017, SpaceX, the company headed by the inventor Elon Musk, did what?

posted Mar 15, 2019 by Pushpak Chauhan

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What material did Chinese inventor Bi Sheng (990-1051 CE) use to make moveable type in newly invented printing process?

posted Mar 6, 2019 by Pardeep Kohli

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Who invented the Logarithm tables ?

posted Feb 22, 2019 by anonymous

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Although it had a number of variably practical predecessors what was invented, and is still in use, in 1913?

posted Feb 7, 2019 by Samardeep Acharya

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Who, an ironmonger by trade, created the first practical steam engine to pump water from mineshafts?

posted Jan 3, 2019 by Brijesh Talwar

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Which Greek-born Canadian cook is credited as the inventor of Hawaiian pizza?

posted Nov 22, 2018 by anonymous

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What were the first name of the Wright Brothers who invented the first powered aeroplane? [MCQ]

posted Nov 14, 2018 by anonymous

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Which Nobel winning scientist is credited with the synthesis of first "Artificial gene" [MCQ]

posted Nov 9, 2018 by anonymous

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Which of these was invented or discovered in the 20th century? [MCQ]

posted Oct 11, 2018 by Pooja Rao

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Who invented the first stock ticker in 1867?

posted Oct 2, 2018 by Alok Dev

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Who is credited for the invention of the CAR?

posted Sep 25, 2018 by anonymous

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Which of the following did Mahatma Gandhi call "One fo the few useful things ever invented"? [MCQ]

posted Sep 22, 2018 by Pooja Rao

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Who invented the spa bath?

posted Sep 6, 2018 by Kuldeep Apte

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Who is credited with the invention of the rotary internal combustion engine, introduced by NSU in their................ [MCQ]

posted Jun 26, 2018 by Riteshwar

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Who is the inventor of QR code?

posted Jun 18, 2018 by anonymous

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For what inventions used during World War II did British aviation engineer Barnes Wallis, later knighted, become famous? [MCQ]

posted Mar 6, 2018 by Rahul Chandel

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In 1934, English inventor and businessman Percy Shaw patented and then set up a company to manufacture what invention? [MCQ]

posted Feb 16, 2018 by Pankaj Deshmukh

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Who Invented Steamship?

posted Jan 23, 2018 by Alivia Clark

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Who or what were the first living creatures sent up to test the hot air balloon invented in 1783? [MCQ]

posted Jan 4, 2018 by Kuldeep Apte

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What is DDC in library science? Who invented DDC?

posted Dec 27, 2017 by Alicia Thomas

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What was first demonstrated by Alexander Graham Bell at the Philadelphia Exhibition in 1876?

posted Dec 8, 2017 by Anuradha Tabyal

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What is the history of Hole Punch?

posted Dec 5, 2017 by Alicia Thomas

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Where (country) was abacus first used and what are the historical evidence to prove it?

posted Nov 2, 2017 by K. Rani

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Who was the legendary Benedictine monk who invented champagne?

posted Oct 4, 2017 by Jordan White

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Who was the Cornish inventor who is famous for building a high pressure non-condensing steam engine for.................

posted Sep 6, 2017 by Manish Tiwari

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During which dynasty Paper was invented in China?

posted Aug 16, 2017 by Divya Nayak

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Which country first invented Gunpowder in around 270 AD?

posted Aug 14, 2017 by Biswajit Maity

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Which artificial international language invented by Dr Zamenhof was published in 1887?

posted Aug 12, 2017 by Mishthy Mukherjee

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Which country and who is considered as inventor of zero?

posted Jul 20, 2017 by anonymous

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What invention in the 17th century revolutionized mathematics by providing the first systematic link between............

posted Jul 11, 2017 by Udita

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At which temperature both fahrenheit and centigrade scales have the same value ?

posted Jul 1, 2017 by Ram Bhatia

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What was invented by Elias Howe in 1846 and improved by Isaac Merritt Singer?

posted Jun 22, 2017 by Anamika

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Which German inventor designed and manufactured the first motorized, dirigible balloon and when?

posted Jun 15, 2017 by Shruthi Naik

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Who invented the centigrade temperature scale in 1742?

posted Jun 6, 2017 by Ankur Athari

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The English agronomist, agriculturist, barrister and writer, Jethro Tull, was known for what inventions?

posted Jun 6, 2017 by Upma

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Who is credited for inventing the first practical telephone?

posted May 11, 2017 by Ritika Sharma

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When was the revolver, a hand gun with a rifled barrel and a revolving cartridge cylinder, invented?

posted Apr 15, 2017 by Varuna Magar

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Serbian-American inventor, engineer and scientist, Nikola Tesla (1856-1943), made his mark in which fields?

posted Mar 30, 2017 by Sandeep Bedi

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Who are the inventors of Steam Engine, Petrol Engine and Diesel Engine?

posted Mar 6, 2017 by anonymous

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Who patented the phonograph in 1878 (after developing and demonstrating it the previous year)?

posted Feb 27, 2017 by Mridul

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posted Feb 16, 2017 by Sumeet Vyas

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Who discovered Molecular Scattering of light in fluid?

posted Feb 9, 2017 by Pramod Huilgol

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Who invented rigid and non-rigid Airship?

posted Feb 7, 2017 by Kavyashree

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Who is credited for invention of Elevator?

posted Feb 6, 2017 by anonymous

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Who invented and demonstrated microwave transmission?

posted Feb 1, 2017 by anonymous

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Which company developed World's Fastest Motor which can spin 1 million revolutions per minute?

posted Jan 31, 2017 by anonymous

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Name the scientist's who won Nobel prize for inventing world’s first blue light-emitting diodes (LED's)?

posted Jan 31, 2017 by anonymous

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Who developed J# Programming Language?

posted Jan 28, 2017 by Atindra Kumar Nath