|
airplane
stem cell lines
artificial heart
barbed wire
cash register
hearing aid
escalator
zipper
air conditioner
microwave oven
cell phones
polio vaccine
revolver
cotton candy
tea bags
theses are your inventions. And at least half of them are inovations of something that was made in *cough*asia*cough* thousands of years ago. You got owned stupid American.
| 
