1. Cosmo
To begin the universe at an age of one second, the ingredient list would include 10[sup 89] photons, 10[sup 89] electrons, 10[sup 89] positrons, 10[sup 89] neutrinos, 10[sup 89] antineutrinos, 10[sup 79] protons, and 10[sup 79] neutrons. ... If we tried to carry out this recipe, unfortunately, we would immediately encounter an annoying snag: Because a sphere of false vacuum 10[sup -26] centimeter across has a mass of one ounce, its density is a phenomenal 10[sup 80] grams per cubic centimeter. For comparison, the density of water is 1 gram per cubic centimeter, and even the density of an atomi...
- Word Count: 2163
- Approx Pages: 9
- Grade Level: Undergraduate