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Eggs have what engineers call an ‘arch structure’ at each end. This is an excellent design for supporting weight, which is why it’s the main type of structure used in many bridges. When a bridge with a single arch supports a weight, the force is transferred down each side of the arch into the ground. An egg, with its two arches, transfers any force placed on it through to the entire shell. This makes it very hard to break an egg by squeezing it longwise. However, once the first crack develops, the protective structure is destroyed and any further force will crush the egg easily.

2006-09-23 04:02:24 · answer #1 · answered by Karen J 5 · 0 0

The shape of an egg permits the distribution of force evenly from top to bottom, thus imparting great strength. The Firenza Duomo designed by Brunelleshi was patterned after the shape of an egg, as can be seen in photographs of this famous church in Florence, Italy.

2006-09-23 04:00:55 · answer #2 · answered by john s 2 · 0 0

Its to let the chicken hatch it. If the shell were so hard that it wouldn't break, the chick couldn't get out. If it weren't strong, it would crack as soon as it were laid or brooded. In fact, there are many cases of birds eating insects or other food that has been around DDT and that's what happens to the eggs.

2006-09-23 05:27:53 · answer #3 · answered by Nass 4 · 0 0

Dont boil it for so long next time.

2006-09-23 04:03:56 · answer #4 · answered by Anonymous · 0 0

becuase of the sun's rays

2006-09-23 03:52:57 · answer #5 · answered by ? 2 · 0 0

...its a vacuum...well its an egg, but inside is a vacuum....

2006-09-23 03:53:05 · answer #6 · answered by keriandjelly 3 · 0 0

good question.... i still dont know the answer to that

2006-09-23 03:52:45 · answer #7 · answered by rache0116 3 · 0 0

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