I sometimes make stuff that you can have in your home. Maybe you or the geek in your life might like them.
The Triangle of Everything (Poster)
Everything that ever existed can be plotted on this chart. In this single plot that tracks space, size, time, density, temperature and energy, you'll learn about the story of the universe, the evolution of stars, the decay of particles, the search for dark matter, what makes a planet and why hippos can't float.