1. Airplane🛫 ( Wright Brothers - Orville & Wibur )
2. Electric Bulb💡 ( Thomas Edison )
3. Radio 📻( Marconi)
4. Telephone 📱( Graham Bell )
5. Telescope🔭( Galileo Galilie )
6. Television ( J L Baird )
7. Thermomete ( Daniel Gabriel )
8. Periodic Table ( Dmitri Mandelev )
9. Steam Engine 🚂( James Watt )
10. Raman Effect☄️ ( Dr. C V Raman )