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important gk topic general knowledge for all exam: Scientific Invention and Inventor
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Invention and Inventor
- Printing Press :---- Gutenberg.
- Cosmic Ray :---- R.A.Millikan.
- Dynamite :---- Alfred Noble.
- Chemical Composition of Water :---- Cavendish.
- Television :---- J.L.Baird.
- Kala-azar fever:---- U. N. Brahmachari's
- Gun Power :---- Roger Becon.
- Bullet :---- Claude.
- U.V.Ray :---- Finson.
- X-Ray :---- Roentgen.
- Cement :---- Joseph Aspdin.
- Dishbreak :---- Frederick William Lanchester.
- E mail :---- Ray Tomlin son.
- Laptop :---- Sinclair.
- Mobile Phone :---- Marty Cooper.
- Biofocal Lense :---- Benjamin Franklin.
- Silicon Cheaps :---- Jack Kilby.
- Car Radio :---- William Lear.
- Electric Battery :---- Volta.
- Positive Electrons :---- Anderson.
- Light hing Conductor :---- Benjamin Franklin.
- Neutron :---- Chad wick.
- Theory of Relativity :---- Albert Einstein
- Periodic Table :---- Mendeleev.
- Oxygen :---- Priestly.
- Gun Powder :---- Roger Bacon.
- Helicopter :---- Brequet.
- Safety Razar :---- Gillette.
- Type Writer :---- Sholes.
- Computer :---- Charles Babeg.
Labels: miscellaneous gk, Science
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