The relationship between energy and mass came out of another of Einstein's ideas, special relativity, which was a radical new way to relate the motions of objects in the universe. At one level, the equation is devastatingly simple.
Time and Tools. The most obvious difference between a cake and a cupcake is size, which depends on the container in which the dessert is prepared. Cakes are baked in large pans, usually round or square, and take half an hour or more to bake fully. Cupcakes, on the other hand, are baked in tins with several cups. Each cup is much smaller than a large cake pan, so a batch of cupcakes usually takes only about 15 minutes to bake.
6 Scoop into cupcake papers about 1/2 to 3/4 full and bake for 19-21 minutes at 350F, being sure to rotate the pan after the first 15 minutes of baking. Afterwards allow to cool for 5 minutes before taking the cupcakes out of the cupcake tin and allowing them to fully cool on a wire rack. Frost cooled cupcakes.