lithium battery

Why lithium batteries explode

Lithium batteries have completely revolutionized the way we build and use our gadgets. They’re small and light, but pack a big energy wallop. They can also spontaneously explode, like when this this poor chap’s e-cigarette set his pants on fire. What’s going on here? What are lithium batteries? Lithium is the lightest metal. It packs the highest energy…

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Raspberry Pi gets quad-core upgrade

The Raspberry Pi, everyone’s favourite little project board, is getting a big upgrade. The new version, dubbed the Raspberry Pi 2 Model B+, is doubling up on processing power and memory. It now features a quad-core ARMv7 processor running at 900mhz, as well as 1GB of RAM. The organization notes that it’s about six times…

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FCC redefines broadband to 25mbps

Millions of Americans suddenly woke up without broadband today, as the FCC voted to change the definition of high speed internet access. The regulator approved a report, in a 3-2 vote, that asked the minimum definition be changed to 25mbps, up from 4mbps. The report came to this conclusion after taking family internet usage into account….

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