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What Would it Take to Build a Hoverboard?
In science fiction, hoverboards let people defy gravity and hover from place to place. How could a vehicle such as that be created? Scientists' ideas for this involve futuristic …
What Would It Take to Make an Energy Blade?
In science fiction, energy blades are weapons or tools that look like glowing swords. How could one of these powerful devices work? Scientists have some ideas, which include using …
What Would it Take to Build a Time Machine?
In science fiction, time machines let people travel backwards in history and forward to the future. How could one of these time-travelling devices be created? Scientists have some …
What would it Take to Make an Invisibility Cloak?
In science fiction, invisibility cloaks let their users vanish from sight and sneak around unnoticed. How could one of these stealthy pieces of clothing work? Scientists have some …
What Would It Take to Build a Deflector Shield?
In science fiction, deflector shields protect ships, bases, and even planets from enemy attack. How could a protective space that absorbs energy from weapons be created? Scientists …