IMPORTANT INVENTIONS
- Adding machine – Blaise Pascal
- Aeroplane – Wright Brothers
- Air Brake – George Westinghouse
- Arc Lamp – Charles F. Brush
- Atomic Number – Henry Moseley
- Atomic Physics – Enrico Fermi
- Atomic structure – Rutherford
- Atomic Theory – John Dalton
- Bicycle – Kirkpatrick Macmillan
- Bifocal Lens – Benjamin Franklin
- Hydrogen Bomb – Edward Teller
- Boson – Satyendra Nath Bose
- Calculating Machine – Blaise Pascal
- Camera – George Eastman
- Electron Theory – Niels Bohr
- Specific Gravity – Archimedes
- Electron – J.J Thomson
- Diesel Engine – Rudolf Diesel
- Cosmic Rays – Robert Andrews Millikan
- Electricity – Michael Faraday
- Cement – Joseph Aspdin
- Antiseptic Surgery – Lord Joseph Lister
- Blood Circulation – William Harvey
- Cholera Vaccine – Louis Pastuer
- Rh Factor – Karl LandSteiner
- Blood Group – Karl LandSteiner
- Artificial Jean – Har gobind Khorana
- Compound Micro Scope – anton van leeuwenhoek
- Anti Rabies Vaccine – Louis Pastuer
- SmallPox Vaccine – Edward Jenner
- Penicilin – Alexander Fleming
- Cells – Robert Hooke