1 Walking and stretching are good warm-up exercises. Stretching the muscles in the front and the back of the thighs is a good way to warm up the knees. 2  Make the leg muscles strong by doing certain exercises (for example, walking up stairs, riding a stationary bicycle, or working out with weights). Walking and stretching are good warm-up exercises. Stretching the muscles in the front and the back of the thighs is a good way to warm up the knees. 2  Make the leg muscles strong by doing certain exercises (for example, walking up stairs, riding a stationary bicycle, or working out with weights).
By the time the telephone came along, the Americans were saying âhulloâ to each other every day, so it was a short jump to âhelloâ. But it wasnât until the telephone was invented that âhelloâ emerged as a universal form of greeting and as a way of establishing contact.
According to Mr Ayyadurai, Mr Tomlinson's creation in 1971 was a primitive form of text messaging, while he had invented what we know as email in 1978 when he was a 14-year-old boy helping out the Newark dental school where his mother worked.n Indian-born scientist is waging a campaign for recognition as the 'child inventor' of email. Shiva Ayyadurai, a 50-year-old United States-based bio-scientist, has published a book challenging claims that the American computer programmer Ray Tomlinson invented email and asserting his own claim as its creator.