There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The first alarm clock could only ring at 4 a.m.
120
Whale oil was used in automobile transmissions as late as 1973.
56
The average car produces a pound of pollution every 25 miles!
18
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12