ideas best represent the pinnacle of human achievement

Question:

What three objects/events/ideas best represent the pinnacle of human achievements?

Best Answer - Chosen by Asker:

1] Beer

2] The Wheel

3] The Jet Engine and...

as a most honorable mention in fourth place....

4] Fur Covered Handcuffs

Distinguished runners-up include...

5] The Light Bulb

6] The Microchip

7] Penicillin

8] Snow Days

9] The Printing Press and...

10] Air Conditioning