The ball on top of a flagpole is called a 'truck'.
24
Whale oil was used in automobile transmissions as late as 1973.
56
Any modern jet is capable of breaking the sound barrier.
34
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
A toaster uses almost half as much energy as a full-sized oven.
33
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
The average car produces a pound of pollution every 25 miles!
18