Yogurt stands in for mayonnaise, and veggies such as celery, onions or bell peppers add a bit of crunch. One serving of egg salad made with two egg whites, 1/2 ounce of plain, fat-free yogurt and 1/4 stalk of celery has 60 calories, less than 1 gram of carbohydrates and 0.5 grams of fat.
The Amazing Inventions of Heron of Alexandria. Heron, also known as Heron of Alexandria, developed many machines and mechanical devices with practical uses, showing that it was possible to take theory and put it into practice. Some of his devices were: 1  A coin operated 'Holy Water Dispenser'. 2  A water organ. 3  The Aeolipile, a steam-powered device.
The second Ptolemy, called Philadelphos, built the colossal lighthouse of Alexandria, and reopened the ancient canal from the Nile to the Red Sea. Egypt was thus established as the intermediary of the trade between Europe and India.ith this downfall of the five thousand year old religion, the native or Egyptian Egypt ceased to exist. Aryans and Semites brushed aside the last shred of Hamitic influence. Egypt had first surrendered her culture for that of the Greeks, to whom she herself had given their earliest instruction centuries before.