Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
A toaster uses almost half as much energy as a full-sized oven.
33
More than a billion transistors are manufactured every second.
-25
Whale oil was used in automobile transmissions as late as 1973.
56
Castor oil is used as a lubricant in jet planes.
-5
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
