It is hard to remember a time when cellphones were not everywhere. But not so long ago, they were more science fiction than science fact. A man called Martin Cooper invented the first cellphone in 1973, and it weighed almost 1kg. Initially they were used only by the military and businesses, but in 1983 they became more widely used. kids.yahoo.com; tech-faq.com; inventors.about.com
It is hard to remember a time when cellphones were not everywhere. But not so long ago, they were more science fiction than science fact. A man called Martin Cooper invented the first cellphone in 1973, and it weighed almost 1kg. Initially they were used only by the military and businesses, but in 1983 they became more widely used. kids.yahoo.com; tech-faq.com; inventors.about.com
Cellphones now a fact, not fiction
It is hard to remember a time when cellphones were not everywhere. But not so long ago, they were more science fiction than science fact. A man called Martin Cooper invented the first cellphone in 1973, and it weighed almost 1kg. Initially they were used only by the military and businesses, but in 1983 they became more widely used. kids.yahoo.com; tech-faq.com; inventors.about.com
It is hard to remember a time when cellphones were not everywhere. But not so long ago, they were more science fiction than science fact. A man called Martin Cooper invented the first cellphone in 1973, and it weighed almost 1kg. Initially they were used only by the military and businesses, but in 1983 they became more widely used. kids.yahoo.com; tech-faq.com; inventors.about.com