Inventions

The invention: The first successful method for converting nitrogen from the atmosphere and combining it with hydrogen to synthesize amm...

The invention: The nickel-iron alkaline battery was a lightweight, inexpensive portable power source for vehicles with electric motors. ...

 The invention: The first heavier-than-air craft to fly, the airplane revolutionized transportation and symbolized the technological adv...

The invention: RU-486 was the first commercially available drug that prevented fertilized eggs from implanting the...