what did Obama invent
Roberts helped to invent the microwave, but did not invent it by himself.
What did William armstrong invent ????????
because of inportance
what did William gilbet invent
me!
1
it took him 1 year to invent the lightbulb
xbox 360
no he did not but he did invent the computer difference engine number 1, number 2 and the analytical engine
1 HOUR
The iPad 1 was Announced in January 2010.
1 second
he invented the great wall of china.
He invented e=mc2 on March 1, 1905.
what did Obama invent
they do experiments and invent new things