HOW DO WE MEASURE TIME? DOES TIME BEGIN AND END? BIOGRAPHY: ALBERT EINSTEIN German, 1879–1955 RELATIVITY FIND OUT MORE
We use time to say when an event happened or how long it lasted.…
(Encyclopedia) BrandenburgBrandenburgbränˈdənb&oobreve;rk [key], state (1994 est. pop. 2,540,000), c.10,400 sq mi (26,940 sq km), E Germany. Potsdam is the capital; other leading cities include…
(Encyclopedia) Fielding, Antony Vandyke Copley, 1787–1855, English landscape painter in watercolor. For the last 24 years of his life he was president of the Water Colour Society, where he exhibited…
Anatomists are people who study the human body. Everyone is unique. We have different skin colors, hair colors, body shapes and sizes — but we all look alike inside. If you could peek inside your…
(Encyclopedia) Stanfield, Clarkson, 1793–1867, English marine and landscape painter. He was first a sailor, then a scenery painter. Later he became known for his paintings of dramatic marine scenes.…
(Encyclopedia) palmitinpalmitinpălˈmətĭn [key], fat that is the triglyceride of palmitic acid, CH3(CH2)14CO2H, i.e., the tripalmitate ester of glycerol. It is a white crystalline solid at ordinary…
(Encyclopedia) homogenizationhomogenizationhəmŏjˌənəzāˈshən [key], process in which a mixture is made uniform throughout. Generally this procedure involves reducing the size of the particles of one…
(Encyclopedia) embolusembolusĕmˈbələs [key], foreign matter circulating in and obstructing a blood vessel. It may be a portion of a clot that has separated from the wall of a vessel (see thrombosis…
