[ weird things ] | causality
articles tagged: causality
wowt explains: the ins and outs of time travel
# science

wowt explains: the ins and outs of time travel

Is time travel possible? What would happen if you did it? How would you do it? The answers to these questions are surprisingly complicated and weird.

oh quantum causality, we hardly knew ye…
# science

oh quantum causality, we hardly knew ye…

A new experiment shows that the quantum world obeys causality only begrudgingly, and sometimes, not at all...

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.

how to exorcise laplace’s demon
# science

how to exorcise laplace’s demon

Laplace was worried this sort of thing might happen and drive mere mortals insane...

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.