A lot of things haven't been invented yet, however it is impossible to say how many. Sometimes people think of an invention, however they do not actually invent it so it works, such as the time machine.
Here are some things people have thought of, however they have not been invented in reality:it hasnt been found but i know you can reasearch about why it wasnt found
something that hasn't been invented yet is a teleportation device Manned Interstellar Travel
What hasn't been invented is a flying car!
Charles Holland Duell
No
it hasnt been found but i know you can reasearch about why it wasnt found
something that hasn't been invented yet is a teleportation device Manned Interstellar Travel
No he hasnt
Consult your doctor.
it hasnt
it hasnt.
YOu were born with one & if it hasnt been removed you have an appendix.
No he hasnt. There was a rumour that was going around and it was not true.
cool
No She Hasn't Been 2 Jail ~Hayley xx
there hasnt been a ww3
there isn't one, or hasnt been proven yet.