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Apple inc || they are touch screen phones. we can communicate via email,text,videocalling...etc. || easy to check emails,can access on the internet anywere, anytime.. || Alexander Graham Bell was born on March 3, 1847, in Edinburgh, Scotland. Alexander's mother had a profound influence on him, being a pianist despite being deaf. This taught Alexander to look past people's disadvantages and find solutions to help them. He was credited with inventing the telephone in 1876. He was not just known as an inventor, he was also a noted engineer, scientist and innovator and even received honorable degrees from top schools in America and Europe. Aside from the telephone invention, Bell continuously excelled. His very first invention, a wheat husker, back when he was 14 was also highly credited as this helped removing wheat husks in agricultural field. Another invention came out a year after. He produced a metal detector that was intentionally used to search for the bullet after President James Garfield’s assassination. From then on, the metal detector was used prior to the discovery of X-ray technology. Alexander Graham Bell died on August 1922
 * device || date || inventor || benefits ||
 * I-Phone || 2007 || Steve,Jobs
 * tablet Pc || 2001 || microsoft / apple inc || it is a mini Pc with touch screen.
 * telephone || 1874 || Alexander graham Bell || First moden telephone to allow people to communicate via a device ||

connective notes > >
 * In film cameras, there are chemicals that change their nature when exposed to light.
 * Light from the sun and other sources reflects off of objects and is focused by a glass lens, at the end of the lens is an aperture control, a diaphragm that opens and closes to allow more or less light through the lens.