When Vader and Skywalker whip out lightsabers , the blades look like sticks of light-matter . Comment: The new light-matter acts like it does in the movies , scientists say . Hollywood may have made that stuff up , but now , scientists at MIT and Harvard have actually made that stuff -- not enough for a lightsaber , only a subatomic smidgeon . But they have only created subatomic amounts of it , not nearly enough for a lightsaber .
When Vader and Skywalker whip out lightsabers , the blades look like sticks of light-matter . Comment: The new light-matter acts like it does in the movies , scientists say . But they have only created subatomic amounts of it , not nearly enough for a lightsaber .