News tagged with shannon limit

Explained: Gallager codes

In the 1948 paper that created the field of information theory, MIT grad (and future professor) Claude Shannon threw down the gauntlet to future generations of researchers. In those predigital days, communications ...

Technology / Computer Sciences

created Jan 21, 2010 | popularity 4.6 / 5 (11) | comments 0 | with audio podcast

Explained: The Shannon limit

It's the early 1980s, and you’re an equipment manufacturer for the fledgling personal-computer market. For years, modems that send data over the telephone lines have been stuck at a maximum rate of 9.6 kilobits ...

Technology / Computer Sciences

created Jan 19, 2010 | popularity 4.4 / 5 (19) | comments 5 | with audio podcast




Search results for shannon limit


The elusive capacity of data networks

In its early years, information theory — which grew out of a landmark 1948 paper by MIT alumnus and future professor Claude Shannon — was dominated by research on error-correcting codes: How do yo ...

Technology / Computer Sciences

created May 15, 2012 | popularity 4.6 / 5 (7) | comments 2 | with audio podcast

Sunscreen ingredient may pose skin cancer risk, researchers find

(Phys.org) -- As vacationers prepare to spend time outdoors this summer, many of them will pack plenty of sunscreen in hopes it will protect their bodies from overexposure, and possibly from skin cancer. But researchers at ...

Nanotechnology / Nanomaterials

created May 08, 2012 | popularity 4.5 / 5 (8) | comments 10 | with audio podcast

Study finds southern Indian Ocean humpbacks singing different tunes

A recently published study by the Wildlife Conservation Society and others reveals that humpback whales on both sides of the southern Indian Ocean are singing different tunes, unusual since humpbacks in the ...

Biology / Plants & Animals

created Feb 01, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Landsat satellites track Yellowstone's underground heat

(PhysOrg.com) -- Yellowstone National Park sits on top of a vast, ancient, and still active volcano. Heat pours off its underground magma chamber, and is the fuel for Yellowstone's famous features -- more ...

Space & Earth / Earth Sciences

created Dec 08, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Dolphins, aliens, and the search for intelligent life

How do we define intelligence? SETI, the Search for Extraterrestrial Intelligence, clearly equates intelligence with technology (or, more precisely, the building of radio or laser beacons). Some, such as the ...

Space & Earth / Space Exploration

created Aug 30, 2011 | popularity 4.9 / 5 (15) | comments 41 | with audio podcast

Using touch screens and apps to treat autism

As a commercial software expert for the financial services industry, Ted Conley was frustrated with the technology that a speech therapist recommended to help his developmentally disabled son. So he decided to build his own ...

Technology / Software

created Jul 22, 2011 | popularity not rated yet | comments 0

Smartphones take charge: Small merchants expand their sales with mobile credit card services

Coming soon to a garage sale near you: "All major credit cards accepted."

Technology / Telecom

created Jul 22, 2011 | popularity not rated yet | comments 1

US astronauts somber as shuttle era comes to an end

The Atlantis roars back to Earth this week ending America's vaunted space shuttle program and frustrating a generation of astronauts who see their chance to soar into the cosmos sharply limited.

Space & Earth / Space Exploration

created Jul 18, 2011 | popularity not rated yet | comments 0

US rules partially against Kodak in Apple dispute

The U.S. International Trade Commission issued a mixed verdict Thursday in Eastman Kodak Co.'s high-stakes patent-infringement dispute with the makers of the iPhone and BlackBerry phones. The ruling disappointed ...

Technology / Business

created Jul 01, 2011 | popularity not rated yet | comments 2

Chemists devise better way to prepare workhorse molecules

In chemistry, so-called aromatic molecules compose a large and versatile family of chemical compounds that are the stuff of pharmaceuticals, electronic materials and consumer products ranging from sunscreen to plastic soda ...

Chemistry / Materials Science

created Jun 09, 2011 | popularity not rated yet | comments 0 | with audio podcast


List of search results for shannon limit