Complex mathematical problem solved by bees
(PhysOrg.com) -- Bumblebees can find the solution to a complex mathematical problem which keeps computers busy for days.
Plants & Animals
Oct 25, 2010
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Page 4 - News tagged with traveler
Can we time travel? A theoretical physicist provides some answers
Time travel makes regular appearances in popular culture, with innumerable time travel storylines in movies, television and literature. But it is a surprisingly old idea: one can argue that the Greek tragedy Oedipus Rex, ...
General Physics
Jun 14, 2022
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Physicist suggests some types of wormholes may stay open long enough to send a photon through
University of Cambridge physicist Luke Butcher has uploaded a paper to the arXiv preprint server suggesting that there might exist some type of wormhole that is capable of staying open long enough for a photon to pass through—which ...
Scientist proves Braess paradox 'disappears' under high traffic demands
(PhysOrg.com) -- In an urban area with a lot of traffic, adding a new road to distribute the traffic may seem like a sensible idea. But according to the Braess paradox, just the opposite occurs: a new route added in a transportation ...
Why don't we see robotic civilizations rapidly expanding across the universe?
In 1950, while sitting down to lunch with colleagues at the Los Alamos Laboratory, famed physicist and nuclear scientist Enrico Fermi asked his famous question: "Where is everybody?" In short, Fermi was addressing the all-important ...
Astrobiology
Nov 29, 2023
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The annihilating effects of space travel
Long distance space travel could create the ultimate 'killer entrance', devastating your destination and anything around the arriving spacecraft, according to calculations by Professor Geraint Lewis and two honours students ...
General Physics
Mar 12, 2012
34
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What effect is global aviation having on the environment?
There's no denying the positive economic and social impact that air transport has had on our global society. From making it convenient for us to travel to far-flung places and experience different cultures to enabling isolated ...
Environment
Aug 29, 2018
0
10
What makes us human?
What separates humans from other animals, including our closest relatives? It's one of those big questions perennially posed by the evo-curious public. But until recently I seldom gave it much thought. Mostly because the ...
Evolution
Jun 3, 2014
21
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How a rotating universe makes time travel possible
It turns out that time travel into the past is actually relatively easy. All you need to do is make the universe rotate.
General Physics
Jan 12, 2023
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Saturday Citations: Gravitational waves, time travel and the simulated universe hypothesis
This week, researchers proved empirically that life isn't fair. Also, you'll notice that, in a superhuman display of restraint, I managed to write a paragraph about the simulated universe hypothesis without once referencing ...
