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
The first alarm clock could only ring at 4 a.m.
120
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
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308