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  2. Solar-powered radio - Wikipedia

    en.wikipedia.org/wiki/Solar-powered_radio

    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

  3. Solar dynamo - Wikipedia

    en.wikipedia.org/wiki/Solar_dynamo

    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.

  4. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/wiki/Mechanically_powered...

    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 ...

  5. Lifeline Energy - Wikipedia

    en.wikipedia.org/wiki/Lifeline_Energy

    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.

  6. Why tonight’s massive solar storm could disrupt ...

    www.aol.com/why-tonight-massive-solar-storm...

    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 ...

  7. Stellar magnetic field - Wikipedia

    en.wikipedia.org/wiki/Stellar_magnetic_field

    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 ...

  8. Freeplay Energy - Wikipedia

    en.wikipedia.org/wiki/Freeplay_Energy

    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.

  9. Atomic battery - Wikipedia

    en.wikipedia.org/wiki/Atomic_battery

    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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