Tiling, Stacking, and What?

When I put squares next to each other, I’m tiling. When I put cubes next to each other, I’m stacking. When I put tesseracts next to each other, what’s the verb? A square, having four edges, can be surrounded by at most four other squares. One on an edge has three neighbors. One on aContinue reading “Tiling, Stacking, and What?”

Time and Population

Even in our universe, the numbers get really big, really fast (on astronomical timeframes). Given our current science and not that much more technology, just our solar system could support quintillions of humans. Multiply that by billions of solar systems – we don’t really need inhabitable planets – in the galaxy and potential population numbersContinue reading “Time and Population”