Anders Gustafson‭

I was thinking of a parallel universe in which the Planck constant has an exact value of zero. How would this effect the physics of that universe and how would it effect the development of that un...

3 answers  ·  posted 9y ago by Anders Gustafson‭  ·  last activity 4y ago by HDE 226868‭

I was thinking of a situation in which an Extra Terrestrial plant life form evolves a nervous system and eventually a brain. This plant diversifies into a variety of different life forms with some...

11 answers  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 6y ago by Anders Gustafson‭

In this case the person would experience 292Gs by the end of the 14 months, which should be enough to kill him/her but, considering that it would have taken 14 months for the environment to reach a...

3 answers  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 8y ago by Anders Gustafson‭

In our universe energy is conserved. In a parallel universe could energy divided by distance be a conserved quantity instead of energy itself? So in this universe if two objects were to move away...

3 answers  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 8y ago by Anders Gustafson‭

I was thinking of an organism that lives its entire life in interstellar space It eats, defecates, moves, grows, ejects eggs, attracts mates, and has sex in interstellar space. It has skin that p...

13 answers  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 8y ago by Anders Gustafson‭

I was thinking of an organism that lives its entire life in outer space. It would be shaped like a rocket and have skin to pressurize its insides so that its internal organs are pressurized even w...

1 answer  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 8y ago by Anders Gustafson‭

The average temperature on this world surface is −55 degrees Celsius. 80% of the surface of this world is covered by liquid ammonia oceans. This planet has a surface gravity of 0.75"‰g. The atmo...

3 answers  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 6y ago by Anders Gustafson‭

I was thinking of a universe in which there is a relativity that is between Galilean and Lorentzian Relativity. In this universe there would be effects of length contraction and time dilation but ...

3 answers  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 8y ago by Anders Gustafson‭

I was thinking of a set of life forms that originates from neutron superfluid inside a neutron star. So these life forms are not made of atoms but are made entirely of neutrons. How might this li...

1 answer  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 8y ago by Anders Gustafson‭

I was reading about the Riemannian Universe http://gregegan.customer.netspace.net.au/ORTHOGONAL/00/PM.html I noticed that Greg Egan doesn't seem to talk about how Gravity would work in the Riemann...

1 answer  ·  posted 8y ago by Anders Gustafson‭  ·  last activity 8y ago by Anders Gustafson‭

In one of the most empty regions of space between the galactic superclusters there is a giant space bubble, with a radius of about 1,000,000 light years. Most of this bubble is one molecule thick ...

2 answers  ·  posted 7y ago by Anders Gustafson‭  ·  last activity 6y ago by Anders Gustafson‭

A civilization creates a supermassive black hole with an electric charge such that the radius of its inner horizon is 3/4 the radius of its outer horizon. In nature, a black hole with this much el...

1 answer  ·  posted 6y ago by Anders Gustafson‭  ·  last activity 6y ago by Anders Gustafson‭

An advanced civilization collects enough Magnesium and Oxygen, from all over the Galaxy, to equal the mass of a star, and then reacts the Magnesium and Oxygen to produce Magnesium Oxide. The civil...

1 answer  ·  posted 6y ago by Anders Gustafson‭  ·  last activity 6y ago by Anders Gustafson‭

On another planet there is a life form that has the same level of intelligence as humans on Earth, but it has no appendage to manipulate its environment. It has similar social structures to humans...

3 answers  ·  posted 5y ago by Anders Gustafson‭  ·  last activity 5y ago by Anders Gustafson‭

I was thinking of a situation, in which there is a mass extinction that wipes out all large land animals, and after this mass extinction some of the descendants of modern geckos evolve to fill the ...

2 answers  ·  posted 5y ago by Anders Gustafson‭  ·  last activity 5y ago by Anders Gustafson‭