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.
Bake the cupcakes for 18 to 20 minutes or until a toothpick inserted into the center of the cupcake comes out looking clean. Remove from oven and place on a wire rack to cool for about 5 minutes.Carefully run a dinner knife around the edges of the cupcakes and invert the cupcake pan onto the wire rack.ake the cupcakes for 18 to 20 minutes or until a toothpick inserted into the center of the cupcake comes out looking clean. Remove from oven and place on a wire rack to cool for about 5 minutes.