Energy is being wasted if a toaster is left plugged in after use.
21
The cigarette lighter was invented before the match.
210
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The ball on top of a flagpole is called a 'truck'.
24
The first alarm clock could only ring at 4 a.m.
120