The first solar car was invented by William G. Cobb, the inventor for General Motors, in 1955, and this was followed by the invention of the first solar car which facilitated human transportation by the International Rectifier Company in 1958.
A birch is a thin-leaved deciduous hardwood tree of the genus Betula (/ËbÉtjÊlÉ/), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae.
River birch (Betula nigra), also known as red birch, black birch or water birch, is native to the southeastern United States where the trees typically grow in thickets along rivers and lakeshores, as well as on floodplains, sandbars and islands in streams.