Jumbo jets use 4,000 gallons of fuel to take off.
19
Energy is being wasted if a toaster is left plugged in after use.
21
The ball on top of a flagpole is called a 'truck'.
24
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Any modern jet is capable of breaking the sound barrier.
34
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The first alarm clock could only ring at 4 a.m.
120
Whale oil was used in automobile transmissions as late as 1973.
56