- NEW!
by PaulD1600 on May 2nd, 2009
We discovered how to pack 2 days worth of calories into one burger.
by Bookworm on April 6th, 2009
Safe drinking water
Hot water you don't have to haul from outside, heat on the fire, then haul to the bathtub.
by Gnome of Kevonia is a Cheerwine junkie on October 24th, 2009
Cushioning occupants from hitting hard objects in car crashes.
What was a serf in medieval times?
by Answerbag Staff on April 13th, 2010
| 1 person likes this
If it was REPUBLICAN John Corzine instead of democrat John Corzine stealing $1 BILLION , would it be buried in the lame stream media?
by Swami_Rick on November 30th, 2011
| 1 person likes this
Vlad The Impaler fought for Romania? Against whom?
..
by einsteinwasright0116 on October 24th, 2011
| 5 people like this
Is it true that Obama traveled back in time to singlehandedly win WW2?
by Have A Nice Day on December 1st, 2011
| 5 people like this
When was the Yorkboat invented? 1800s, 1900s?
by O.G. Rodger on November 15th, 2011
| 1 person likes this
You're reading What practical problems have been solved between the late 18th century and late 20th century?
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