It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
The first alarm clock could only ring at 4 a.m.
120
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Attics were invented in Attica.
43