
Invisibility Cloak Inventor Now Building Black Hole Tech
The physicist who made Harry Potter's cloak real 20 years ago has moved on to something even wilder. John Pendry is now bending light through time instead of space.
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The physicist who made Harry Potter's cloak real 20 years ago has moved on to something even wilder. John Pendry is now bending light through time instead of space.

Researchers cracked the code on metamaterials that could replace titanium implants, keeping bones healthy instead of weakening them. The breakthrough also promises better robotic grippers and safer car bumpers.