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Charger helps solve vampire power problem (video)

Who hasn't left their various mobile devices plugged in long after they're fully charged?

A new product -- still a prototype but expected to go on sale soon -- aims to solve the problem of so-called vampire power. Plug your device into the Mushroom GreenZero charger, and when your device is fully charged, the charger will turn off automatically. SmartPlanet's Sumi Das takes a closer look at the handy device.

This video originally appeared on SmartPlanet with the headline "Charging devices eliminate vampire power."

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Cleverly designed bike lock takes water bottle shapeRead more

Drinking in the Vue, Keurig's K-Cup successor

A world without K-Cups? The horror! While a K-Cupless world may not befall the caffeine-addicted anytime soon, single-serve coffee giant Keurig recently debuted a next-gen successor called Vue that could warm the hearts and hands of geeky java lovers.

For those wondering what I'm talking about, these small plastic capsules sell in the billions annually. They contain coffee (or another beverage) and a filter; putting a K-Cup in its specific brewing device creates a single serving of that drink in less than a minute without a mess.

We checked out a Vue test unit at a Bed Bath & Beyond, the first retailer to carry the new V700 brewer (other big retailers will sell it soon). Keurig's pricey $249 Vue roaster looks similar to existing K-Cup machines, and bears many familiar components, but it doesn't take long to spot the differences. … Read more

The 404 1,028: Where we go Dumpster diving (podcast)

Richard, our studio engineer, is the inspiration for today's show title that goes along with a story about his old Dumpster-diving days, when he'd raid the Hostess factory at the end of the night to recover "old" Twinkies and Ho Hos.

Jeff faced childhood memories of his own this weekend while cleaning out his old closet, unearthing treasures like Palm Pilots, two Sega Dreamcasts, and a box of old CD jewel cases. If you don't know what those things are, you're too young to be listening to The 404.… Read more

How to get leftover spaghetti to power your iPad

How do you feel when you're tossing food into the garbage or the waste disposal?

Do tinges of guilt bubble in your throat? Does a soupcon of self-loathing slither around your brain, as you pour that curried cauliflower soup into an unknown beyond?

I bring you news that might assist your psychological health. For just this week, some British people from a clean-tech company called SeaB have been sliding around the Bay Area, trying to get our eco-princes to invest in MuckBusters.

These artfully named objects are containers into which you can shove your leftover spaghetti, tacos, or duck a l'orange and expect, after a little technical machination, to get electricity.

If you believe the estimates, all you need is half a ton of unwanted food to run about 150 computers. Which presents a sobering counterpoint to the impression one has that 150 people sitting at computers in the average office consume at least 150 tons of food.

Some will be wondering how this machine busts your meatballs. Well, you shove your food in at one end and it gets chewed up by bacteria. As often with chewing, a lot of gas emerges. Your friendly MuckBuster does a little filtering, gets itself a methane stream and then slips that gas through a heat and power system. … Read more

Surprise! Green Dot buys Loopt for mobile financial services

Well, this is an odd one.

Green Dot, a company that provides prepaid debit cards to consumers, has acquired mobile location-based application developer Loopt for $43.4 million, the companies announced today. The deal is an all-cash transaction, and will include Green Dot setting aside $9.8 million as a "retention pool" to ensure key Loopt employees stay put.

Though Green Dot's Loopt acquisition might not make sense at first glance, considering how different the companies are, it appears Green Dot has bought the firm for its mobile-development expertise. In a statement celebrating the acquisition, Loopt co-founder … Read more

Apple planning environmental audits of Chinese supply chain

Apple's Chinese supply chain has come under fire over the years for its allegedly poor environmental record. But according to a new report, Apple now plans to address that with independent audits.

Apple is bringing in independent environmental auditors to at least two supplier factories in China, USA Today reported yesterday, citing environmental activists. Speaking to USA Today, Ma Jun, founder of the Institute of Public & Environmental Affairs (IPEA), said that Apple agreed to the reviews in January and will allow auditors in two facilities, possibly starting in March.

The reviews, Ma told USA Today, will focus on … Read more

Startup takes wood pellets in, turns out 'biogasoline'

For a new crop of biofuel companies, ethanol is out and "biogasoline" is in.

One of them is Primus Green Energy, which plans to open a demonstration plant by the end of the year that will convert wood pellets into high-octane gasoline. The Hillsborough, N.J.-based company intends to raise $50 million to $100 million this year for a commercial-scale plant that would start producing at higher volumes in 2015.

Many companies break down biomass into sugar through different methods and then ferment that to make ethanol or speciality chemicals. Primus Green Energy and others are seeking … Read more

Portable camping stove charges gadgets

Charging gadgets out in the wilderness is a challenge, but the BioLite CampStove could change that for the power-hungry. This 2-pound portable device features a USB port that can power or charge devices while you burn biomass.

So how does it work? Well, the thermal energy of the fire delivers power to fans inside the stove through a thermoelectric module. These fans blow air on the fire to improve combustion, which in turn creates excess energy. A USB port delivers the extra energy generated by the fire for charging devices such as smartphones, LED lights, or GPS units.… Read more

Did Opie & Anthony cross line in Tom Green Twitter controversy?

Can radio hosts be held accountable for the behavior of their listeners?

It started as a slowly percolating and largely private dispute over the ownership of the @TomGreen Twitter handle between two people named Tom Green--one a Toronto college professor who grabbed that account ID, and the other a celebrity comedian who was too late to get it. It exploded into a sewer-full of insulting, obscene, and even threatening tweets sent to the teacher.

And now the professor wants the radio hosts who may have inspired their listeners to send the offending tweets to take responsibility for what happened to … Read more

Bright idea: Charging cables light up as current flows

I have "a friend" (who is no way whatsoever me, no sir, mm-mm) who recently got so excited about her new smartphone case she couldn't stop looking at it for days. Point being that accessories can hugely boost one's enthusiasm for gadgets, even the most humdrum ones.

Take these Dexim Visible Green illuminated charging cables that use electroluminescent (EL) technology to display the current flow from the power socket to your device. They function like any other charging cable, but they do it with such pizzazz that you (and by "you," I mean "me") can't help but feel energized watching them. Suddenly, charging a smartphone feels like going to a rave. … Read more