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2. Solar-powered fan - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_fan

   Solar-powered fan. A portable solar fan with externally mounted solar panels. A solar fan is a mechanical fan powered by solar panels. The solar panels are either mounted on the device or are installed independently. Solar fans mostly do not require secondary power sources other than solar power, as most of them are used for cooling purposes ...

3. Nuclear submarine - Wikipedia

   en.wikipedia.org/wiki/Nuclear_submarine

   Nuclear submarine. A nuclear submarine is a submarine powered by a nuclear reactor, but not necessarily nuclear-armed. Nuclear submarines have considerable performance advantages over "conventional" (typically diesel-electric) submarines. Nuclear propulsion, being completely independent of air, frees the submarine from the need to surface ...

4. Chemiosmosis - Wikipedia

   en.wikipedia.org/wiki/Chemiosmosis

   Chemiosmosis is the movement of ions across a semipermeable membrane bound structure, down their electrochemical gradient. An important example is the formation of adenosine triphosphate (ATP) by the movement of hydrogen ions (H +) across a membrane during cellular respiration or photosynthesis . An ion gradient has potential energy and can be ...

5. ADP-ribosylation - Wikipedia

   en.wikipedia.org/wiki/ADP-ribosylation

   ADP-ribosylation is the addition of one or more ADP-ribose moieties to a protein. [1] [2] It is a reversible post-translational modification that is involved in many cellular processes, including cell signaling, DNA repair, gene regulation and apoptosis. [3] [4] Improper ADP-ribosylation has been implicated in some forms of cancer. [5]

6. Blackhawk Network Holdings - Wikipedia

   en.wikipedia.org/wiki/Blackhawk_Network_Holdings

   Blackhawk Network Holdings Inc. is an American privately held company that operates in the prepaid, gift card and payments industries. It sells branded physical and digital gifts, phones, prepaid debit, and incentives cards online and through a network of global retailers. [2] Blackhawk's network reaches people through a number of different ...

7. Hydrogen-powered ship - Wikipedia

   en.wikipedia.org/wiki/Hydrogen-powered_ship

   The 80-car ferry MF Hydra sails in Norway, using 4 tonnes of liquid hydrogen, two 200 kW fuel cells, a 1.36—1.5 MWh battery, and two 440 kW diesel generators. The 80 cubic metre hydrogen tanks and the fuel cell are located on top of the ferry. The hydrogen is trucked from Leipzig in Germany. [7] [8] It sailed as a diesel-hybrid from 2022, and ...