Here's a list:
A car that runs on nitrogen.
A way to travel faster than the speed of light.
A Time Machine
A Teleporter.
A Weather Generator
If you can make any of these I can assure you that you will be a very rich man indeed
something that hasn't been invented yet is a teleportation device Manned Interstellar Travel
there isn't one, or hasnt been proven yet.
quantum computing, hasnt been done yet
i wish never, but it hasnt been announced when it will start yet
Who knows? There hasnt even been a 4th one yet.
No. He hasnt returned yet
Nobody knows quite yet cuz it hasnt been released yet.
She hasnt yet
she hasnt yet ;)
nope hasnt been made yet
he hasnt died yet retard
no she hasnt passed yet.