Currently no,though some ideas were invented but not really told or useful enough to say something was invented.
Yes, lots of people know things about Hawaii.
NO
Vikings did not invent cows, which evolved and were then domesticated, rather than being invented by anybody.
they invent cheese
Because he was "Braillient!" Hahaha Anybody? No? Okay. :(
No she did not invent something that help people.
we all have to invent something for intertainment...
you can invent if you really want you can invent by things that are not expensive..right?
The verb of invention is invent. As in "to invent something".
To invent something, you have to have some material with which to invent.
Thomas Redson made the skateboard in Hawaii
by being creative and then following your idea through until you invent something