Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
The life boat was patented in 1845!
29
Sony researchers have developed a refrigerator that only opens when you smile.
9
Kleenex tissues were originally used as filters in gas masks.
46
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Any modern jet is capable of breaking the sound barrier.
34