Science
Science Fiction vs Science Fact
Teleportation, time travel, and lightsabers — which sci-fi concepts are actually possible?
Teleportation, time travel, and lightsabers — which sci-fi concepts are actually possible?
Quantum teleportation is a real, experimentally verified phenomenon — though it teleports quantum information, not physical matter like in Star Trek. This quiz covers 50 questions exploring which sci-fi concepts are already real, which are theoretically possible, and which remain firmly in the realm of fiction.
You'll discover which technologies from science fiction already exist, the real science behind concepts like warp drives and invisibility cloaks, why some ideas that sound impossible are actually closer than you think, and which beloved sci-fi staples may never be achievable.
Quantum teleportation is real and has been demonstrated in laboratories, but it transfers quantum states between particles — not physical matter. 'Beaming up' a person as in Star Trek would require scanning and transmitting about 10^28 atoms, which is beyond any foreseeable technology.
A blade of superheated plasma is theoretically possible, but it would require an enormous energy source and there's no known way to make the blade stop at a fixed length — plasma would simply dissipate. Magnetic containment could help, but a portable lightsaber remains far beyond current technology.
The Alcubierre warp drive is mathematically valid within general relativity — it would compress space in front of a ship and expand it behind. However, it requires 'exotic matter' with negative energy density, which we've never observed and may not exist. It remains theoretically possible but practically unachievable with known physics.
Last updated: March 2026