Whale oil was used in automobile transmissions as late as 1973.
56
Energy is being wasted if a toaster is left plugged in after use.
21
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The ball on top of a flagpole is called a 'truck'.
24
More than a billion transistors are manufactured every second.
-25
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17