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.
Special. Silver birch is a pioneer tree. That means it is one of the first trees to colonise new (or cleared) land. It grows widely across the UK preferring a drier, sandier soil then downy birch. This often means downy birch is the more common birch in Ireland and Scotland and at higher altitudes.