Invention and Discovery have a important role in human life. Invention is a unique or novel device, method, composition or process. There are some important invention are showing in the list with inventors and year.
| Invention | Inventors | Year |
| Anemometer | Leon Battista Alberti | 1450 |
| Barometer | Evangelista Torricelli | – |
| Cathode Ray Tube | Ferdinand | 1897 |
| Dynamometer | Edme Regnier | 1798 |
| Ammeter | Friedrich Dexler | 1884 |
| Telescope | Hans Lippershey | – |
| Microscope | Hans Lippershey and Zacharias Janssen | 1595 |
| LED | Oleg Losev, Nick Holonyak | 1962 |
| Gravity | Sir Isaac Newton | 1687 |
| Induction Motor | Nikola Tesala | 1885 |
| Battery | Alessandro Volta | 1799 |
| Transformer | William Grove | 1839 |
| Gamma Rays | Paul Villard | 1930 |
| Mercury Thermometer | Gabriel Fahrenheit | 1714 |
| Vernier Caliper | Pierre Vernier | – |
| Celsius | Anders Celsius | – |
| Air Pressure | Evangelista Torricelli | – |
| Anode Rays | Eugen Goldstein | 1886 |
| LCD | Friedrich Reinitzer | 1888 |
| TV | John Logic Baird | 1926 |
| Telephone | Alexander Graham Bell | 1876 |
| Radio | G.Marconi | 1901 |
| Fountain Pen | L.E Waterman | 1884 |
| Lift | E. G. Otis | 1852 |
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