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Ancient Greek documents date the yo-yo back to 500 B.C.E., when kids and adults crafted fashions made from wooden, metal or painted clay [supply: McMahon]. By the 18th century, French nobles played with yo-yos made from glass or ivory [source: Patrick and Thompson]. The fashionable yo-yo dates back to 1929, when immigrant Pedro Flores started the Yo-Yo Manufacturing Company in the United States. Inside a year, his firm, which later became the Duncan Toy Firm, was producing a whopping 300,000 of the toys every day [source: Townsend]. Yo-yo competitions and the quest for ever-evolving tips and showmanship helped promote this toy all through the country. Whereas the yo-yo has fallen out of favor because of the introduction of more advanced toys and video games, the yo-yo competition circuit stays robust. Modern versions of the toy, together with gentle-up and ball variations that routinely retract, have helped the yo-yo get pleasure from periodic revivals among the many lots.

To enroll, drivers full a fast registration form outlining who they’re and their driving habits. This permits advertisers to pick out drivers and their vehicles primarily based on a variety of factors that embrace location, the kind of car they drive, where the automobile is parked, and the driver’s occupation. This info helps match drivers with advertisers.

Utility computing rates range depending on the utility computing company and the requested service. Usually, firms cost clients based mostly on service usage somewhat than a flat charge. The extra a client makes use of services, the more charges it must pay. Some companies bundle companies collectively at a lowered charge, basically selling computer services in bulk.

Inductively coupled RFID tags had been powered by a magnetic discipline generated by the RFID reader. Electrical current has an electrical part and site ( a magnetic element — it’s electromagnetic. Because of this, you possibly can create a magnetic area with electricity, and you’ll create electrical present with a magnetic field. The name “inductively coupled” comes from this course of — the magnetic area inducts a current within the wire. You can be taught extra in How Electromagnets Work.

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