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Potassium Key to Self-Healing Batteries?

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Potassium Key to Self-Healing Batteries?

With the demand for batteries continually on the rise, the time is ripe for an alternative to lithium, the material making current batteries. Enter potassium, as researchers at the Rensselear Polytechnic Institute discover a means to turn the metal into a potential power source.

While lithium is expensive and mined using environmentally damaging means, potassium is cheap, abundant and easier to work with. It also offers energy densities (by both volume and weight) comparable to lithium in the shape of full potassium anodes. However potassium, like lithium, has a problem called dendrite formation. Essentially, during charging and discharging bits of metal attach to the anode and form dendrites, or spiky branch-like structures. Dendrites grow until they poke through the membrane separating the anode from the cathode, reducing the lifespan of the battery and increasing the risk of short circuits.

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Corsair Intros Scimitar RGB Elite Mouse

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Corsair Intros Scimitar RGB Elite Mouse

Corsair announces the Scimitar RGB Elite-- a high-performance gaming mouse designed for MOBA and MMO RPG players featuring no less than 17 fully programmable buttons and a custom Pixart 18000 DPI optical sensor.

Built for "maximum durability," the Scimitar RGB Elite has a sturdy scroll wheel, 1.8m braided cable and Omron switches rated for 50 million clicks. The left side houses 12 of the 17 buttons, as arranged in a sculpted and textured 3x4 array. Users can program the buttons for custom macros and button remaps, as well as as adjust their position by 8mm via "Key Slider control system" in order to accommodate for different size hands.

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EP Demands Common Charger Regulation!

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EP Demands Common Charger Regulation!

The European Parliament (EP) votes favour for the mandatory introduction of common chargers for all mobile devices, with MEPs massively approving the resolution by 582 votes to 40, with 37 abstentions.

The EP now demands the European Commission (EC), the body in charge of drafting EU legislation, to adopt the delegated act foreseen in the 2014 Radio Equipment Directive by July 2020 or, if necessary, table a legislative measure by the same date. The Radio Equipment Directive calls for the development of a common charger, but efforts to "encourage" the industry to develop such a device fell short of co-legislator objectives. However some progress has been made since then, with the number of charging solution types dropping from over 30 in 2009 to just 3 in 2020.

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SteelSeries Updates Rival 3 Gaming Mouse

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SteelSeries Updates Rival 3 Gaming Mouse

SteelSeries announces an update to the Rival 3 gaming mouse, together with a pair of gaming keyboards promising to bring high performance features to "a wider audience of gamers," the Apex 3 and Apex 5.

The updated Rival 3 mouse carries what the company claims is "a new performance-focused sensor." Dubbed the TrueMove Core, the optical sensor offers 8500 CPI, one-to-one tracking and over 300 IPS and 35G of acceleration capability. The mouse itself features a right-handed design with 6 buttons and, being a piece of gaming hardware, includes built-in lighting with three RGB backlighting zones. The two main buttons feature SteelSeries switches rated at up to 60 million clicks.

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Logitech Intros Ergonomic Ergo 860 Keyboard

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Logitech Intros Ergonomic Ergo 860 Keyboard

Microsoft gets some competition in the ergonomic PC keyboard space-- Logitech announces the Ergo K860, a keyboard featuring a split design the company promises can reduce strain on the wrists and forearms.

Designed to pair with the Logitech MX Ergo and MX Vertical mice, the Ergo K860 claims to offer comfort from what looks like a high-end product. The built-in wrist rest consists of three layers, with high-density foam, memory foam and, on top, "easy-clean" coated fabric. Hidden pop-out clips on the palm rest lift the front of the keyboard in a choice of two angle settings.

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