Flatlands and extra dimensions
Ancient gateways and spirit realms
Cosmic horrors and sci-fi portals
The interdimensional UFO hypothesis
007skaty Shadow Biosphere and Dark Matter
A shadow life is hiding in the dark (in the dark!) / A cosmic world that leaves no mark (yeah yeah!)
007skaty A three-dimensional Sphere passing through a flat plane appears to a two-dimensional Square as an expanding and shrinking circle.
007skaty Three-dimensional shadows help physicists theorize how interdimensional beings move through unseen directions
007skaty Trace the tangled cosmic threads to discover how interdimensional beings hide in plain sight.
Four-dimensional shadows: A 4D hypercube casts a 3D shadow that we can actually build, hold, and rotate in our three-dimensional world.
A measure of spatial extent, such as length, width, or height. In 1884, Edwin Abbott used a two-dimensional universe to explain spatial realms beyond our own.
007skaty Theoretical physicists study an invisible shadow biosphere made of dark matter
What term did Charles Howard Hinton coin in 1888 for a four-dimensional hypercube?
What shape does a 4D tesseract's shadow form when cast into our three-dimensional space?
How many total dimensions does superstring theory require to make its mathematical equations work?
What are the tiny, curled-up geometric shapes of extra dimensions in string theory called?
Which Harvard physicist proposed the idea of a 'shadow biosphere' made of self-interacting dark matter?