Same makers of viagra.
A long lasting and non-infectious disease is called a CHRONIC Disease.
you are a moron. the machine gun was invented long after the revolutionary war.
humans
Long-lasting
Pumice stone mixed with concrete.
Well they invented them because people back then used to have to write everything by hand and it took to long..
popo
Do you mean "Pokie Machine" (Australian/ New Zealand slang for slot machine)? If so, then they were invented 1887.
It is called the papyrus
the interweb
Thomas Edison is often credited with inventing the long-lasting light bulb in the late 19th century. However, there were other inventors such as Joseph Swan who also contributed to the development of the incandescent light bulb around the same time. Edison's design, with a carbon filament inside a vacuum-sealed glass bulb, became the most commercially successful.
it was invented by thinking about how you could make sewing easier and what could be used for a long time without need to improve the invention