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A remote control is a gadget used to control machines and equipment from [an area|space|a distance|a gap].There are remote controls for televisions, [oxygen|air|atmosphere|breath]conditioners, doors, toys and so on. A remote control doesn't [practice|use|work|exercise] wires. It uses electrical or radio signals. A remote control needs batteries to work.
The famous inventor Nikola Tesla [wrote|composed|said|described] a remote control in 1893. During the First World War, the Germans used remote control motorboats. Then people began to use remote controls for non-military [purposes|effects|results|targets].For [case|excuse|sample|example],they were used as automatic garage door openers.
The first television remote control was made by Zenith Radio Corporation in 1950. It could turn a television on and off, and it could [change|differ|vary|exchange] channels. It had a cable, so it was not the wireless remote control we use nowadays.