Modern inventions could be the invention of the wheel compared to the invention of bronze; or it could be digital, wireless communication.
A play station 3-D
They were good.
They are good
Yes!
he was famous for his good inventions
Your brain, usually.
Yes. You have to be good at mathematics to be good in science and inventions.
at school.
Yes
flakiwitz has good food
He invent alot of good stuff.
Very good contriception the Queen
brazil invented samba very good music