Kleenex tissues were originally used as filters in gas masks.
46
Energy is being wasted if a toaster is left plugged in after use.
21
The life boat was patented in 1845!
29
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Originally, Nintendo was a playing card manufacturer.
70
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46