Smiles Rivas

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Private companies plan to put telescope on the Moon

Soon, when you’re looking up at the moon at night, people could very well be looking back down at you. A partnership between two private companies plans to install a long-range telescope there as early as 2016, perching it atop the rim of a crater three miles above the surface near the moon’s south …

Colorado's weed problems could spell trouble for marijuana legalization

Audit of Denver's medical cannabis program exposes serious problems with government oversight<p>Image credit: Wikimedia Commons<p>At first glance, Colorado's medical marijuana industry seems like an unmitigated success story. Hundreds of dispensaries and grow houses have sprouted up since the state began …

Watch men: what hardcore timepiece collectors think about smartwatches

The iWatch might be coming, but this centuries-old industry has survived disruption before<p>One of the worst-kept secrets of the technology industry is that the next big product category will be smartwatches, wearable computers that sources have all but confirmed will be released soon by Apple, …

11-inch MacBook Air review: living with Apple's smallest laptop

<i>Note: be sure to read our 13-inch MacBook Air review for lots more on Apple's latest laptops.</i><p>When my parents bought me my first laptop, I fought tooth and nail to spend the extra money and get a bigger model. The 15-inch Dell Inspiron E1505 I cajoled them into purchasing was backpack-fillingly …

Google Nexus 7 review (2013)

I make a lot of aspirational purchases. I constantly buy books I really <i>ought</i> to read, subscribe to magazines that are <i>so</i> good the one time a year I actually get around to opening them, and add movies like <i>Schindler's List</i> to my Netflix queue because it's an important cultural touchstone. My credit …

All the president's hitmen: tracking Washington's secret army

<i>Additional reporting by Jesse Hicks and Janus Kopfstein</i><p>In the 1960s there was a saying: "Suppose they gave a war, and nobody came?" We'll probably never know the answer to that particular American koan, but a recent book and documentary film sets out to answer a more important question: "What if …

Online classes can be enlightening, edifying, and engaging — but they're not college

The future of higher education online is, at present, clear as mud. Do Massive Open Online Courses, or MOOCs — college-level classes offered online through a number of corporate providers — offer students better tools for study, increased opportunities at lower cost? Can they provide access to …

Beyond recognition: the incredible story of a face transplant

For Carmen Tarleton, the day started out normally enough. Tarleton, 45, had errands to run, a piano lesson to get to, a house to tidy. Tomorrow was Valentine’s Day, and for the first time in a long time — the first time since the attack five years earlier — she looked forward to spending it with a …

WiSee prototype detects gestures from the next room using only Wi-Fi

Researchers at the University of Washington have successfully created a prototype of a system that uses Wi-Fi — and only Wi-Fi — to detect gestures. Called "WiSee," the system cleverly measures the Doppler shifts created by human movement on regular Wi-Fi signals. That means that the system doesn't …

Karma Wants To Make Peer-to-Peer Wi-Fi a Thing

There'll be a day, if one recent Wi-Fi startup has its way, when you switch on your tablet or laptop and the wireless Internet access you need is …

Feds tell Web firms to turn over user account passwords

Secret demands mark escalation in Internet surveillance by the federal government through gaining access to user passwords, which are typically stored in encrypted form.<p>"This is one of those unanswered legal questions: Is there any circumstance under which they could get password information?" <br …

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