Do you remember a time when cell phones were rare? Today, it's hard to imagine a world without them. Even if you don't own one yourself, you probably see dozens of people talking on a cell phone every day. The
The first cellphone was invented more than fifty years ago. The man who 1 that phone, Martin Cooper, is now 96 years old.In the early 1970s, Cooper worked for an American technology company. At the time the company and other manufacturers were 2to create wireless phones that could work ...
When was the first keyboard invented? When was the first computer invented? See the mouse definition for additional information about the computer mouse. Mouse and touchpad help and support.Was this page useful?YesNo Feedback E-mail Share PrintSearch...
It worked! He invented a set of lights for his house and also found out how to charge (充电) cell phones. When some officials visited Wimbe Primary School, they noticed William’s wind mill. One helped spread the story of the boy with the talent for science across Malawi and the world...
One of the first ___【5】___(practice) telephones was invented by Alexander Graham Bell in1876. Since then, people have been able to speak to each other over long distances. Today ___【6】___(million) of people across the world own mobile phones. They allow people ___【7】___(k...
Who invented the first factory? Who invented the first electric car? Who invented the modern combustion engine? What year were phones invented? Who invented the first automobile engine? Who were entrepreneurs in the Industrial Revolution? Who invented the steam engine that produced rotary motion?
used a wireless phone invented by his business competitor2、 According to Paragraph 2, Cooper thinks that mobile phones can easily ___. F. increase business competition G. protect the privacy of young people . expose children to harmful online materials . do something harmful to online technology...
Who invented the first cell phone? A World Before Cell Phones: There was a time before cell phones. Alexander Graham Bell patented the first telephone in 1875 and the first portable cellular phones came to be in 1972, so for many than 100 years, telephones were connected with wire, attached...
It was made of some old everyday things.New Artwork An African artist Koffi made his artworks by using old phones. He took down the parts of old phones,painted them and made them into different artworks. Koffi helped people pay more attention to recycling.31. Who invented the pedal-...
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