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Explained: The Discrete Fourier Transform

Explained: The Discrete Fourier Transform

Other Sciences / Mathematics

created Nov 25, 2009 | popularity 4.2 / 5 (34) | comments 8

(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...


GPS cell phone apps challenge standalone devices

Electronics / Consumer & Gadgets

created Nov 28, 2009 | popularity 3.6 / 5 (5) | comments 2

(AP) -- The growth of cell phones with global-positioning technology is making life uncertain for the makers of personal navigational devices that help drivers figure out where they are and where to go.


The iconic smartphone hits stores having already shifted more than 50,000 units in pre-sale orders

iPhone's debut in S.Korea means paradigm shift: experts

Technology / Business

created Nov 28, 2009 | popularity 4 / 5 (1) | comments 1

Apple's top selling iPhone made its debut in South Korea Saturday with experts saying the iconic smartphone is likely to serve as a wake-up call for an IT industry basking in an isolated market.


Teachers begin using cell phones for class lessons

Technology / Hi Tech

created Nov 27, 2009 | popularity 2 / 5 (2) | comments 0

(AP) -- Ariana Leonard's high school students shuffled in their seats, eagerly awaiting a cue from their Spanish teacher that the assignment would begin. "Take out your cell phones," she said in Spanish.


Food banks go high-tech to feed the hungry (AP)

Food banks go high-tech to feed the hungry

Technology / Hi Tech

created Nov 27, 2009 | popularity not rated yet | comments 0

(AP) -- Food banks across the country are undergoing a high-tech revolution, adopting sophisticated databases, bar coding, GPS tracking, automated warehouses and other technologies used in the food industry ...


Apple's iPhone set to make splash in South Korea (AP)

Apple's iPhone set to make splash in South Korea

Technology / Business

created Nov 27, 2009 | popularity not rated yet | comments 0

(AP) -- The iPhone's arrival in South Korea is generating considerable buzz among consumers and industry watchers amid expectations it will shake up a market dominated by world-beating domestic manufacturers.


Qualcomm's next e-book to use a mirasol display

Qualcomm's next e-book to use a mirasol display

Electronics / Consumer & Gadgets

created Nov 20, 2009 | popularity 4.7 / 5 (11) | comments 2

(PhysOrg.com) -- Qualcomm subsidiary Mirasol is developing a new e-book reader with a color display that uses ambient light. The reader will be capable of displaying video smoothly, but the new features will ...


Baby can wait as expectant dad finishes spacewalk (AP)

Baby can wait as expectant dad finishes spacewalk

Space & Earth / Space Exploration

created Nov 21, 2009 | popularity 3.7 / 5 (3) | comments 0

(AP) -- A spacewalking astronaut put aside the impending birth of his daughter and blazed through his first-ever venture outside the International Space Station on Saturday.


AT&T and Verizon ads duel on airwaves and in court

Technology / Business

created Nov 25, 2009 | popularity 5 / 5 (1) | comments 0

(AP) -- What would the holidays be without bickering between siblings? AT&T and Verizon are swamping TV with ads attacking facets of each other's wireless networks. While the ads stick fairly close to the truth, there's ...


Road trains may be coming soon to Europe

Road trains may be coming soon to Europe (w/ Video)

Technology / Engineering

created Nov 13, 2009 | popularity 4.6 / 5 (18) | comments 22

(PhysOrg.com) -- Road trains linking vehicles together in a traveling convoy are planned for Europe. With only the lead vehicle being actively driven, the road trains would allow commuters to sleep, read a ...


EU drops Qualcomm antitrust probe

Technology / Business

created Nov 24, 2009 | popularity not rated yet | comments 0

(AP) -- European Union antitrust regulators on Tuesday dropped a monopoly abuse probe into wireless chip maker Qualcomm Inc. after mobile phone companies withdrew complaints about high royalty fees.


Wikileaks

Wikileaks releases pager intercepts from 9/11

Technology / Internet

created Nov 25, 2009 | popularity 5 / 5 (1) | comments 0

Whistleblower website Wikileaks began publishing on Wednesday what it said were hundreds of thousands of pager messages from the day of the September 11, 2001 attacks on New York and Washington.


Researchers patent enabling technology for spread-spectrum systems

Technology / Telecom

created Nov 17, 2009 | popularity 4 / 5 (2) | comments 0

If you've ever gotten the dreaded "network busy" message while trying to make a cell phone call, you've experienced the complication of sharing a single network with numerous other users.


Magic box for mission impossible

Technology / Telecom

created Nov 25, 2009 | popularity not rated yet | comments 0

On September 11, firefighters, police officers and ambulance workers faced a terrifying rescue effort in the World Trade Center complex. They battled to save people from the collapsing Twin Towers, searched for survivors, ...


New brain findings on dyslexic children

Medicine & Health / Neuroscience

created Nov 11, 2009 | popularity 4.3 / 5 (10) | comments 0

The vast majority of school-aged children can focus on the voice of a teacher amid the cacophony of the typical classroom thanks to a brain that automatically focuses on relevant, predictable and repeating auditory information, ...