laser
june3,1904
Dr. Charles Richard Drew helped develop blood banks during World War 2. He proved that blood plasma lasts longer than whole blood. He became the first director of the American Red Cross Blood Bank, and tried to educate the public that blood banks do not need to be segregated by race.
he was at a footie mach wen then he wen to a hotel and they didnt let im in or soming
the invention thata dr.charles richard drew made was really important for people because .he saved their lives by giving then blood that they needed
what did Obama invent
they invent cheese
He didn't invent it. He didn't invent anything.
you can invent if you really want you can invent by things that are not expensive..right?
Why did Ian Donald Invent The ultrasound machine and why did he invent it
Roberts helped to invent the microwave, but did not invent it by himself.
because it was fun to invent
a bail