Tagged With power

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On Christmas Day in Australia, fewer people are at their paid employment and more working premises are closed than on any other day in the year. How does this affect demand for electricity, widely seen as fundamentally associated with economic activity?

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iOS: It used to be that when I went out late in the city, I'd play a rousing game of "How long can I keep my phone alive so I can listen to music on the way home?" I would throw my phone into aeroplane mode, turn the brightness down, and hope it would last until I made it back to my apartment.

Apple has since improved the way it handles battery life, though it doesn't do everything it could to ensure your phone stays on. There are a few more tricks of the trade you can use to keep your iPhone alive as long as possible. Here are nine foolproof options.

Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.

One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.

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It sometimes seems as if AA batteries breed when left alone in dark drawers around the house. As children rip them out of toys as they run out of juice the dead ones without charge get mixed up with the new ones. And somehow a working battery tester or multi-meter is never to hand to test them (and may even have had its batteries purloined for use in something else).

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With Christmas lights and glowing decorations already up in houses across the country, this is the time of year that we bring out those rarely-used extra power boards and overload them with double adaptors on top of other adaptors. The ACCC wants you to check those boards for defects, though, with over 200,000 unsafe power boards and double adaptors sold across Australia within the last few months.

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Think that by signing a fixed-price contract for electricity or gas you'll know what the rate is for the life of the contract? Think again. The market regulator has confirmed that power companies have the right to change the rates charged on a fixed-price contract whenever they like -- even before the deal begins. What a ridiculous joke.

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Hello Lifehacker, I have been wondering, how can I calculate how much power my computer needs? I'm really confused about this, so please explain how I can calculate how many watts my power supply unit (PSU) will need if I upgrade. And any other tips on choosing one?