articles tagged: time travel
presenting paradox-free quantum time travel?
# science

presenting paradox-free quantum time travel?

Quantum time travel experiments hint that physics creates closed time loops, meaning you can't change history.

cheating your way to future greatness. maybe.
# science

cheating your way to future greatness. maybe.

If we ever ended up in the past, it's tempting to think our modern skills would make us rich and famous. But putting those skills to use centuries ago is trickier than it sounds...

time travel showdown: past vs. future
# science

time travel showdown: past vs. future

If time travel is possible, what direction would be the easiest to visit and have the fewest limitations?

the real time machine
# science

the real time machine

Time machines may be possible, but the laws of physics will impose limits on what they'll be able to do.