A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The cigarette lighter was invented before the match.
210
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Energy is being wasted if a toaster is left plugged in after use.
21
Whale oil was used in automobile transmissions as late as 1973.
56