Kleenex tissues were originally used as filters in gas masks.
46
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Energy is being wasted if a toaster is left plugged in after use.
21
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 average car produces a pound of pollution every 25 miles!
18
Whale oil was used in automobile transmissions as late as 1973.
56
Any modern jet is capable of breaking the sound barrier.
34
