The first alarm clock could only ring at 4 a.m.
120
The ball on top of a flagpole is called a 'truck'.
24
The life boat was patented in 1845!
29
A toaster uses almost half as much energy as a full-sized oven.
33
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
More than a billion transistors are manufactured every second.
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