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A batteryless radio is a radio receiver which does not require the use of a battery to provide it with electrical power. Originally this referred to units which could be used directly by AC mains supply (mains radio); it can also refer to units which do not require a power source at all, except for the power that they receive from an ambient ...
Freeplay devices have captured acclaim on multiple occasions. The initial clockwork radio won the "BBC Design Award" in 1996, [11] and the Design Council's Millennium Product Award. [12] The "Weza" foot-powered generator won an "Innovation in Water, Sanitation and Energy Services for Poor People" award from the World Bank in 2006. [13]
Trevor Graham Baylis CBE (13 May 1937 – 5 March 2018) was an English inventor best known for the wind-up radio.The radio, instead of relying on batteries or external electrical source, is powered by the user winding a crank.
The original Baygen clockwork radio with crank in winding position A windup radio or clockwork radio is a radio that is powered by human muscle power rather than batteries or the electrical grid. In the most common arrangement, an internal electric generator is run by a mainspring, which is wound by a hand crank on the case.
The new company controlled Rogers Radio Tube Company and Rogers Batteryless Radio Company. Joseph Elsworth Rogers (1898–1960), brother of Edward Rogers, was an important member of the company and served as vice-president until 1939, and then as head from 1939 to 1960.
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A mysterious radio blast from space detected in 2022 originated in the magnetic field of an ultra-dense neutron star 200 million light years away.. Known as fast radio bursts, or FRB, such brief ...
We found the best technology for adults over 65 at CES this year. From AI aids to ‘aging in place’ smart home solutions, the annual tech show kept older users in mind.