Smaller Magnetic Materials Push Boundaries of Nanotechnology

Findings from research conducted at I.B.M., being reported Thursday in the journal Science, could lead to a new class of more powerful and efficient nanomaterials.

Mathematician claims breakthrough in Sudoku puzzle : Nature News & Comment

Puzzles must have at least 17 clues to have a valid solution.

Mathematics' Nearly Century-Old Partitions Enigma Spawns Fractals Solution: Scientific American

For someone who died at the age of 32 the largely self-taught Indian mathematician Srinivasa Ramanujan left behind an impressive legacy of insights into the theory of numbers—including many claims that he did not support with proof.

Hydrogen Power on the Cheap--Or at Least, Cheaper

Chemists have devised less expensive methods for tapping the energy potential of this ubiquitous element.

What Is Time? One Physicist Hunts for the Ultimate Theory

One way to get noticed as a scientist is to tackle a really difficult problem. Physicist Sean Carroll has become a bit of a rock star in geek circles by attempting to answer an age-old question no scientist has been able to fully explain: What is time?

Say 'cheese'? No, say 'quantum mechanics.'

Getting a digital camera for Christmas? Before you fire it up to capture Uncle Wally's fateful fifth trip to the punch bowl, take a moment to picture this: You've got a genuine scientific marvel in your mitts.

The Future Is Now? Pretty Soon, at Least

Ray Kurzweil is a futurist with a track record who makes his predictions using what he calls the Law of Accelerating Returns.

Getting It Wrong: Surprising Tips on How to Learn

New research makes the case for hard tests, and suggests an unusual technique that anyone can use to learn

An Easy Way to Increase Creativity

Why thinking about distant things can make us more creative

Surprises from General Relativity: "Swimming" in Spacetime

The possibility of "swimming" and "gliding" in curved, empty space shows that even after nine decades, Einstein's theory of general relativity continues to amaze

Racetrack Memory: The Future Third Dimension of Data Storage

A device that slides magnetic bits back and forth along nanowire "racetracks" could pack data in a three-dimensional microchip and may replace nearly all forms of conventional data storage

Six Ways to Boost Brainpower

The adult human brain is surprisingly malleable: it can rewire itself and even grow new cells. Here are some habits that can fine-tune your mind By Emily Anthes

Using Causality to Solve the Puzzle of Quantum Spacetime

A new approach to the decades-old problem of quantum gravity goes back to basics and shows how the building blocks of space and time pull themselves together By Jerzy Jurkiewicz, Renate Loll and Jan Ambjorn

Fermilab Looks for Visitors from Another Dimension: Scientific American

The detection of extra dimensions beyond the familiar four—the three dimensions of space and one of time—would be among the most earth-shattering discoveries in the history of physics.

Lines and Bubbles and Bars, Oh My! New Ways to Sift Data

An experimental Web site allows users to upload the data they want to visualize, then try sophisticated tools to generate interactive displays.

Can You Catch Up on Lost Sleep?

You've given up your fair share of sleep—will you ever feel rested again?

Missing Link of Electronics Discovered: "Memristor"

After nearly 40 years, researchers have discovered a new type of building block for electronic circuits. And there's at least a chance it will spare you from recharging your phone every other day.

Pursuing the Next Level of Artificial Intelligence

Daphne Koller's work has led to advances in artificial intelligence that can be used to predict traffic jams, improve machine vision and understand the way cancer spreads.

11 steps to a better brain

It doesn't matter how brainy you are or how much education you've had - you can still improve and expand your mind. Boosting your mental faculties doesn't have to mean studying hard or becoming a reclusive book worm.

Simple brain exercise can boost IQ

Can mental training improve your intelligence? No video game or mental puzzle has convincingly been shown to work. But now a group of neuropsychologists claims it has found a task that can add points to a person's IQ – and the harder you train, they say, the more you gain.

Adding Math to List of Security Threats

One of the world's most prominent cryptographers warned about a hypothetical scenario that could place the security of the global electronic commerce system at risk.

Reshaping the Architecture of Memory

If an idea being kicked around in an I.B.M. lab is correct, electronic devices could potentially hold 10 to 100 times more data in the same amount of space.

I.B.M. Researchers Advancing Computer Processing Ability

In two papers published on Friday, I.B.M. researchers describe techniques that would allow electronics to be made from components far smaller than today's transistors and wires.

Computers Solve Checkers—It's a Draw

Top computer scientist proves perfect play leads to draw, recounts battle for world championship, gets kinged.

Mathematicians Design Invisible Tunnel

New calculations show how to make an electromagnetic "wormhole"—a tube that is invisible from the sides, allowing light to shine down the center unseen

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