5 most significant inventions in the last 200 years

[ftothfadd]

It’s not the beach volley ball as much as it is the shorts / spandex as the important invention

They actually play in bikini bottoms to be persnickety ;-)

 

[steve white]

boat propellers and the internal combustion engine to turn them.
jet engines
micro chips/computers/internet
harnessing electricity
A/C, refrigeration

 

[jruby]

1. Nuclear understanding both for power and weapons.
2. Electricity
3. Flight
4. Understanding of germs and sterilization.
5. Internet
Just my opinion

 

[RedTag]

I honestly think if the average person from 200 years ago could somehow time travel to the modern day, and learn about all that has happened between then and now, he would choose to go back to his own time.