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A solar powered radio is a portable radio receiver powered by photovoltaic panels. [1] It is primarily used in remote areas where access to power sources is limited. History
The solar dynamo is a physical process that generates the Sun's magnetic field.It is explained with a variant of the dynamo theory.A naturally occurring electric generator in the Sun's interior produces electric currents and a magnetic field, following the laws of Ampère, Faraday and Ohm, as well as the laws of fluid dynamics, which together form the laws of magnetohydrodynamics.
A dyno torch, dynamo torch, or squeeze flashlight is a flashlight or pocket torch which generates energy via a flywheel. The user repeatedly squeezes a handle to spin a flywheel inside the flashlight, attached to a small generator/dynamo, supplying electric current to an incandescent bulb or light-emitting diode. The flashlight must be pumped ...
Lifeline Energy (formerly Freeplay Foundation) is a non-profit social enterprise that provides technology solutions [buzzword] for off-grid learning. The organization designs, manufactures and distributes solar and wind-up media players and radios for classroom and group listening and was behind the first solar and wind-up radio for humanitarian use which launched in 2003.
Programming note: Tune in to CNN NewsNight: Solar Storm, hosted by Abby Phillip and Bill Weir, tonight from 10 p.m. to 12 a.m. ET. For the latest on the massive solar storm, head over to CNN’s ...
These objects can emit radio waves due to their strong magnetic fields. Approximately 5–10% of these objects have had their magnetic fields measured. [ 17 ] The coolest of these, 2MASS J10475385+2124234 with a temperature of 800-900 K, retains a magnetic field stronger than 1.7 kG, making it some 3000 times stronger than the Earth's magnetic ...
Freeplay Energy Ltd (AIM: FRE), (formerly BayGen Power Industries, Freeplay Energy Group), is a manufacturer and distributor of portable electrical or electronic products such as radios and lights, generally powered by hand cranked generators that charge rechargeable batteries.
Ongoing work demonstrate that this cantilever is capable of radio frequency transmission, allowing MEMS devices to communicate with one another wirelessly. These micro-batteries are very light and deliver enough energy to function as power supply for use in MEMS devices and further for supply for nanodevices. [32]
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