Purdue system gives students quick grades feedback

A new feedback system at Purdue University shows students red, yellow and green lights — just like traffic lights — to predict whether their efforts in class are enough to earn good grades.

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Study looks at early Navajo use of smoke signals

Archaeologists and volunteers armed with special flares will fan out over part of the Four Corners region on Saturday to study how early Navajos could have used smoke signals to warn against invaders.

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Military Signal Blocks Garage Remotes

For many suburbanites, life without garage door openers is unimaginable. But neighbors of the Marine base here have been reduced to just that after a strong radio signal coming from the facility began neutralizing remote-control openers.

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NYC Cabs to Test Cell Signal Strength

Ever wanted to stuff that "Can you hear me now?" guy into the trunk of your car and take him on a tour of those maddening spots where your cell phone won't work? One telecommunications company has a plan to do the mechanical equivalent.

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What are the chances of aliens sniffing us out?

Decades of monitoring the skies for signals from extraterrestrial life have turned up nothing (Image: NAIC/Arecibo Observatory/NSF)

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Sexy Dancers Forbidden Near Thai Troops

Thailand's military coup leaders may be losing their sense of humor. Five days after instructing soldiers to keep smiling, the ruling council decided Wednesday that there is a limit to how much fun soldiers should have.

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USC Complains About ABC's Musburger

Southern California formally complained that ABC-TV's Brent Musburger revealed privileged information in play-by-play commentary during Saturday's game against Nebraska.

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U.S. Troops Try Courtesy in Iraqi City

U.S. troops are switching tactics in the fight against insurgents in parts of this rebellious city, replacing confrontation with courtesy in hopes of winning public trust and undercutting support for the militants.

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Some NPR, Christian Radio Hearing Stern

Some commuters hoping to ease into their day with National Public Radio or Christian broadcasts are hearing shock jock Howard Stern instead.

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Remember the big technology story of the first half of the year? Analog signals were suppose to be shut-off on February 17, but Obama saved millions of households from their procrastination by delaying it a few months. But eventually on June 12, those signals were turned off.

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How to tell in 15 minutes whether someone likes you

Fifteen minutes is not a long time to assess whether someone likes you or not, but if you are instinctive like me, you can sense almost within the first five minutes how that date is going to turn out, or whether you wish for a second meeting.

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The True Importance of a Smile!

Q. How important and essential is to smile in life? How do you use it and when? A. A smile is very important in our life for three main reasons:

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The leader of Colombia's powerful North Valley cartel pleaded guilty in federal court, marking the end of what U.S authorities called `a long campaign of violence and corruption.'

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Signal failure and human error were blamed yesterday for the Washington rail crash which claimed nine lives.

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There's Money to be Made Right Now Trading the Forex Because of the Market's Wild Swings. Below are 6 Products That Could Help You Cash in.Below we've reviewed a handful of products that offer value to people wanting to make money with forex investing.

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TEL AVIV, Israel (CNN) -- Keep your shoes and belts on: Waiting in long airport security lines to pass through metal detectors may soon be a thing of the past.

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Signal boxes located at pedestrian crossings in countries all over the world are designed to spread the word of God, the product's Swedish manufacturer has revealed.

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The flutter of eyelashes, the smile across the dancefloor and the giggle after a lame joke - every woman knows the time-honoured ways to get a man.

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France could destroy television viewing for thousands of Britons by beaming high-powered digital signals across the Channel, the National Audit Office has warned.

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Remember the border war between the Jets and the New England Patriots? A new chapter may be added with suspicions that the Patriots spied on the Jets during the teams season opener.

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NEW YORK (AP) -- The NFL is looking into claims a New England Patriots employee was videotaping signals by Jets coaches on New York's sideline during the season opener.

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Mobile phone masts are not responsible for the symptoms of ill health some blame them for, a major UK study says. Dozens of people who believed the masts trigger symptoms such as anxiety, nausea and tiredness could not detect if signals were on or off in trials.

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"At what point would you abandon the search?"

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The Fire and Disaster Management Agency is planning to provide every city, town and village in Japan with receivers for satellite signals warning of a ballistic missile attack or natural disaster.

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The $179 OnAir GT by start-up AutumnWave is an ashtray-size high-definition tuner that plugs into your laptop, turning it into an HDTV set. I recently tested the device at CNET Networks' headquarters in San Francisco.

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With the coming switch to digital signals by broadcasters in 2009, companies have been pressing the FCC to allow those vacant airwaves to be made available for use without a license.

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The report presented by the Congressional Research Service on the issue and background of the NSA case and hearings.

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