Timeline of Discoveries and Inventions
Ancient to Medieval 17th–18th Century 19th Century 20th Century
Important Discoveries and Inventions
1. Structure of DNA: Watson & Crick 2. Rabies Vaccination: Louis Pasteur 3. Penicillin: Alexander Fleming 4. Genetic Laws of
Physical Quantities and Their Units
1. Force: Newton/ Dyne 2. Temperature: Kelvin/ Celsius/ Degree 3. Current: Ampere 4. Heat: Joule/ Calorie/ BTU 5. Pressure: Pascal/Torr