Can't make it to Barcelona for this year's Mobile World Congress? Don't worry -- we've got you covered. We'll be typing and snapping away quite a bit over the next few days, beginning with Huawei's event tomorrow morning. Then, we'll be heading to Mozilla to learn more about Firefox OS, and on Monday, we'll hear from Nokia, ASUS, and ZTE, just to name a few. We'll be checking out plenty of other events, too, along with countless booths at MWC's brand new venue, Fira Gran Via, located just outside the Barcelona city limits. We don't want you to miss any of the action -- jump past the break for a liveblog breakdown, along with links to each event.

Filed under: Announcements, Cellphones, Tablets, Mobile

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Just about any apartment-dwelling urbanite can tell you that radiators are a bit of a necessary evil in the world of city living. What if there was a way to control the heat to individual rental units, without relying entirely on a landlord's temperature-controlling omnipotence? The Radiator Labs team has developed a device to help realize this dream. It's essentially housing that sits on-top of an individual radiator unit, controlling heat transfer to a room. Turn it off, and the insulation hampers the heat from making a room too hot. Turn it on, and the ducted fan spreads the heat out to the room.

Radiator Labs has a bit more info on its page, which you can check out in the source link below. You can also view graphical breakdown of the technology after the break.

Check out the full list of Insert Coin: New Challengers semifinalists here -- and don't forget to pick a winner!

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Source: Radiator Labs

On Wednesday, we opened voting so you can help us choose five finalists in our first Insert Coin: New Challengers competition. It was hard enough for Engadget editors to decide on 10 semifinalists out of the myriad awesome crowdfunded projects entered, including such futuristic fare as bipedal robots, high-tech puppetry and more. Now it's your turn to pick which final five entrants will also present on stage at Expand this March for the chance to win a total of $25,000: $5,000 for the Reader's Choice winner and a whopping $20,000 Grand Prize. Voting closes this coming Wednesday, February 27 at 12:30pm PST / 3:30pm EST, so get your vote in!

To celebrate the DIY ingenuity and high tech innovation demonstrated by our intrepid entrants, we're running an Insert Coin Twitter Giveaway that gives a little something back to all the makers out there. We're giving away the following three kit prizes: Grand Prize is the Egg-Bot, an art robot that draws intricate designs on eggs or other round objects including ornaments, golf balls, and light bulbs; 2nd Prize is an Apple 1 Replica Kit designed with permission from the Apple I's original creator, Steve Wozniak; 3rd Prize is the Adafruit FLORA GPS Starter Pack including a Flora motherboard, a GPS module that can also perform location datalogging, eight ultra-bright chainable RGB pixels and more.

To win, simply send a tweet naming which of the 10 semifinalists you want to win, in the following format: "I think [PROJECT NAME] should win $20,000 in the @EngadgetExpand Insert Coin Competition!" Of course while you're at it, don't forget to vote! To be eligible to enter, you must be 18 years of age and a U.S. resident (please peruse the full rules).

Name your inventor of choice by 5pm EST on Monday, February 25 (one entry per person, please!). We'll choose three winners at random to win each kit prize and will notify them via Twitter. Plus, make sure to follow @EngadgetExpand for more chances to win tickets, prizes and other goodies.

Filed under: Announcements, Meta

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