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2. Tuning mechanisms for stringed instruments - Wikipedia

   en.wikipedia.org/wiki/Tuning_mechanisms_for...

   A tuning pin is a tuning peg with a detachable grip, called a tuning lever. The socket on the tuning lever fits over the pin and allows it to be turned. Tuning pins are used on instruments where there is no space for a knob on each string, such as pianos and harps. Turning the peg or pin tightens or loosens the string.

3. Lithium–silicon battery - Wikipedia

   en.wikipedia.org/wiki/Lithium–silicon_battery

   In May 2022, Porsche AG announced plans to produce lithium-silicon battery cells with Group14's technology in Germany in 2024 to help power their new electric vehicles. [17] Group14 plans to use Porsche's funding to accelerate the development of their second U.S. factory to supply a minimum of 600,000 EVs annually. [18]

4. Lithium-ion battery - Wikipedia

   en.wikipedia.org/wiki/Lithium-ion_battery

   A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.

5. 18650 battery - Wikipedia

   en.wikipedia.org/wiki/18650_battery

   18650 battery cells are used in a wide variety of products from the 1990s through the 2020s, and are widely regarded as the most produced lithium-ion cell size. [ 8 ] 18650/1865 cells are used in many laptop computer batteries, cordless power tools, many electric cars, electric scooters, [ 9 ] most e-bikes , older portable powerbanks ...

6. Lithium-titanate battery - Wikipedia

   en.wikipedia.org/wiki/Lithium-titanate_battery

   A lithium-titanate battery is a modified lithium-ion battery that uses lithium-titanate nanocrystals, instead of carbon, on the surface of its anode.This gives the anode a surface area of about 100 square meters per gram, compared with 3 square meters per gram for carbon, allowing electrons to enter and leave the anode quickly.

7. WHO chief released from hospital in Rio de Janeiro - AOL

   www.aol.com/news/chief-hospitalized-rio-janeiro...

   World Health Organization chief Tedros Adhanom Ghebreyesus has been released from Rio de Janeiro's Hospital Samaritano Barra da Tijuca after spending the night under observation, the hospital said.

8. NBA's biggest winners, losers and overreactions from Week 1 ...

   www.aol.com/sports/nbas-biggest-winners-losers...

   1. Name a big winner from the first week of the season. Vincent Goodwill: The Oklahoma City Thunder (beating teams by nearly 20 points a night). They are looking to break the trend of a new team ...

9. Lithium battery - Wikipedia

   en.wikipedia.org/wiki/Lithium_battery

   Lithium–iron disulfide battery; Lithium–sulfur battery; Nickel–lithium battery; Rechargeable lithium metal battery, a rechargeable counterpart to the lithium metal battery; Lithium-ion battery, a rechargeable battery in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging