Reels tagged #phones

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Firsts

The first smartphone shipped in 1994

IBM Simon combined a phone, pager, calendar, notepad and email on a touchscreen you tapped with a stylus. Its battery lasted about an hour of talk time.

#firsts#tech#phones
Technology

Touchscreens sense your body's electricity

Capacitive screens hold a tiny electrical field; your conductive finger distorts it, and the phone calculates where. That is why gloves usually do not work.

#technology#phones#engineering