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2. Van de Graaff generator - Wikipedia

   en.wikipedia.org/wiki/Van_de_Graaff_generator

   The largest air-insulated Van de Graaff generator in the world, built by Dr. Van de Graaff in the 1930s, is now displayed permanently at Boston's Museum of Science. With two conjoined 4.5 m (15 ft) aluminium spheres standing on columns 22 ft (6.7 m) tall, this generator can often obtain 2 MV (2 million volts ).

3. Gravity battery - Wikipedia

   en.wikipedia.org/wiki/Gravity_battery

   Pendulum clock driven by three weights as "gravity battery". An old and simple application is the pendulum clock driven by a weight, which at 1 kg and 1 m travel can store nearly 10 Newton-meter [Nm], Joule [J] or Watt-second [Ws], thus 1/3600 of a Watt-hour [Wh], while a typical Lithium-ion battery 18650 cell [2] can hold about 7 Wh, thus 2500 times more at 1/20 of the weight.

4. Sodium-ion battery - Wikipedia

   en.wikipedia.org/wiki/Sodium-ion_battery

   HiNa also revealed three sodium-ion products, the NaCR32140-ME12 cylindrical cell, the NaCP50160118-ME80 square cell and the NaCP73174207-ME240 square cell, with gravimetric energy densities of 140 Wh/kg, 145 Wh/kg and 155 Wh/kg respectively. [85] In 2019, it was reported that HiNa installed a 100 kWh sodium-ion battery power bank in East China ...

5. Behind Harris’ Pledge of a $100 Billion Tax Credit and Where ...

   www.aol.com/behind-harris-pledge-100-billion...

   Kamala Harris, Democratic nominee for president, recently delivered a speech for the Economic Club of Pittsburgh at Carnegie Mellon's University Philip Chosky Theater, in which she laid out her...

6. What is the Wayfair Way Day October 2024 sale? - AOL

   www.aol.com/lifestyle/wayfairs-way-day-2024-sale...

   The fall discount event kicks off on Saturday, October 5 with up to 80% off mattresses, furniture, cookware, seasonal items and more. Wayfair's Way Day 2024 sale is on it's way: Here's what we ...

7. Lithium iron phosphate battery - Wikipedia

   en.wikipedia.org/wiki/Lithium_iron_phosphate_battery

   The lithium iron phosphate battery (LiFePO. 4 battery) or LFP battery (lithium ferrophosphate) is a type of lithium-ion battery using lithium iron phosphate (LiFePO. 4) as the cathode material, and a graphitic carbon electrode with a metallic backing as the anode. Because of their low cost, high safety, low toxicity, long cycle life and other ...