In addition to skin care lotions and creams, emulsions are also used to make hair conditioners, sunscreens, makeup products, and more. Check your ingredient lists next time and see if you can figure out which ingredients were mixed together, and with what emulsifier!
Pompeii as a source. The discovery of Pompeii is of huge importance for our modern-day understanding of the ancient Roman-Italic world-partly because the more public and monumental ruins left behind by Imperial Rome have often been misleading. The excavations at Pompeii and Herculaneum ... offer an intact vision of daily life in a Roman society in all its aspects. Their ruination and destruction left crucial questions unanswered, and made it impossible in many ways to gather a satisfactory understanding of the Roman world from them.
Pi, given its name after the Greek letter, was not named so by the Greeks, nor did they invent the concept. It is true that the Ancient Egyptians first discovered the number, and there are references to a number in an Egyptian scroll dating to 1650 BCE.rchimedes approximated it in about 200 BCE in fraction form, since the Greeks did not yet use decimals. He expressed pi as a fraction similar to 3 1/7, which is in decimals approximately 3.14. Mathematicians and scientists left pi at Archimedesâ calculation for centuries.