the attachable wings is an interesting one. I wonder if in the year 3000 we'll be able to fly around in the sky with a device as small as a small band you wear

the attachable wings is an interesting one. I wonder if in the year 3000 we'll be able to fly around in the sky with a device as small as a small band you wear around your ankles and wrists. Michio Kaku says one day we can do this in the future. to be able to fly around will be an pinnacle of our achievement as humanity.