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.
Comments. Submit. Birch trees are a popular choice among homeowners for their distinctive bark and their delicate foliage. The birch is a difficult tree to grow and though they have a life expectancy of 40 to 50 years, many trees die before reaching their 20th year.aper Birch (Betula papyrifera). Paper birch trees are large, oval in shape and may be single or multi-trunked. They reach heights between 50 and 70 feet. Younger trees have brown bark, as trees age the bark turns white and peels to reveal an inner bark that is orange in color.