'Back to the Future' vision a reality?

The first 'Back to the Future' movie was released 25 years ago. In the second one, we got a glimpse of the year 2015.

CNN:CNN's Kristie Lu Stout asks an expert how realistic the vision of the future is in "Back to the Future Part II".
sholesays...

Wait.. go back to the hoverboard.. superconductors defy gravity, how again?
I really like his enthusiasm and willingness to entertain the public about scientific issues here and in tv shows and documentaries, but he really shouldn't stretch the truth as much as he always does JUST TO ENTERTAIN.
Yea, übermagnets give you levitation - when there's something underneath to counteract them.
This is nothing new.

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