NIRMAL KUMAR GALI

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This Scientist Has Come Up With A Mathematical Model For A Time Machine

After some serious number crunching, a UBC researcher has come up with a mathematical model for a viable time machine.<p>Ben Tippett, a mathematics and …

Physics

First beam for an important new physics experiment

An anomaly in the tiny magnetic field of a fundamental particle could be the loose thread that lets us unravel a new layer of physics. A new experiment has started to take a closer look<p>A new experiment at the Fermi National Laboratory near Chicago, USA, has just taken an important step. The first …

India successfully launches its first space observatory

NEW DELHI (AP) — India successfully launched its first space observatory and six satellites into orbit on Monday, officials said, the latest step forward for a country looking to become a major player in the lucrative space market.<p>The observatory, named Astrosat, was launched from Sriharikota in …

Space Exploration

Asteroid strike: 7 ways the world could end

As a mountain-sized asteroid is detected heading towards Earth, what is the likeliest 'extinction-level' scenario for mankind?<p>Our solar system is littered with billions of pieces of debris, from the size of large boulders to objects hundreds of miles across. We know that from time to time these hit …

Animals out in the cold - in pictures

Japanese Macaques have a ‘hot tub culture’ and Emperor penguins huddle

‘Life on Earth is in peril. We have no future if we don’t go into space’

Experts including Stephen Hawking look at the value of human and robotic spaceflight<p>• Astronauts lift our spirits. But can we afford to send humans into space? • Artificial intelligence could spell end of human race – Stephen Hawking • New Horizons probe rouses from hibernation for Pluto …

New Horizons probe rouses from hibernation for Pluto mission

Scientific observation of Pluto and other bodies in the Kuiper Belt, solar system’s last unexplored region, begins next month<p>After nine years and a journey of 3bn miles, Nasa’s New Horizons robotic probe awoke from hibernation on Saturday to begin an unprecedented mission to study the icy dwarf …

The Blood Harvest

Each year, half a million horseshoe crabs are captured and bled alive to create an unparalleled biomedical technology.<p>The thing about the blood that everyone notices first: It's blue, baby blue.<p>The marvelous thing about horseshoe crab blood, though, isn't the color. It's a chemical found only in …

The Mystery of the Solar System's Weirdest Moon, Explained

The first and only space probe ever to visit the planet Uranus timed its encounter very badly from a public-relations perspective. Voyager 2 zipped …

Astronomy

WATCH: The Chemistry of a Smartphone

Thanks to patent laws and trade secrets, there's precious little information available about what goes into manufacturing your typical smartphone, …

Why Are They Building a Skyscraper in the Middle of the Amazon?

Why Brazilian and German scientists are collaborating to erect a climate observation tower as tall as Paris's Tour Eiffel in the middle of the rainforest.<p><b>On August 15, construction began on what</b> will become the tallest skyscraper in South America—a structure as high as Paris's Eiffel Tower. But …

Climate Change

'Bacterial nanowires' may lead to breakthroughs in semiconductors, fuel cells and more

For about a decade, scientists have known about bacteria that "breathe" using rocks and minerals in place of oxygen. Now a new study reveals the surprising way they do it.<p>The bacteria survive by "breathing" through a system of "bacterial nanowires" that connect to iron-based material nearby. …

Genetic disorders: 'It is devastating to watch your child lose every ability'

Breakthrough genomics project will receive £300m public and private funding as announced by David Cameron<p>Lewis was fine until the age of two-and-a-half. A lively toddler, brilliant at sports, he gave his parents no cause for concern. But then began a decline that was both swift and brutal. At first …

Greetings from Earth! NASA spacecraft to carry message for aliens

A NASA probe that's expected to leave the solar system after it finishes its mission at Pluto and beyond will carry a message intended for any alien life-form that comes across it in the far future.<p>When NASA's New Horizons mission completes its study of Pluto in the summer of 2015, data from Earth …

Mystery object in lake on Saturn's moon Titan intrigues scientists

Nasa's Cassini probe took image last year as it passed by planet's largest moon – nothing seen when other images taken<p>Scientists are investigating a mystery object that appeared and then vanished again from a giant lake on Titan, the largest moon of Saturn.<p>They spotted the object in an image taken …

A New Call To Build A Massive Alien-Seeking Space Telescope

With the Hubble Space Telescope aging and Kepler crippled, leading astronomers are mounting a new push for the construction of a telescope so huge that it may need to be constructed by astronauts in space rather than being launched aboard a single rocket.<p>The Advanced Technologies Large Aperture …

Without this equation there would have been no internet

It showed how to make communications faster and take up less space on a hard disk, making the internet possible<p>This equation was published in the 1949 book <i>The Mathematical Theory of Communication</i>, co-written by Claude Shannon and Warren Weaver. An elegant way to work out how efficient a code could …

Researchers get closer to solving lithium-ion battery life degradation

As anyone with a smartphone, laptop or indeed a whole electric car will know, lithium-ion batteries degrade over time.<p>Each time you charge and discharge the batteries, they lose a little capacity. Day to day you don’t really notice, but over a year, or two, it means being able to use your phone (or …

Is Seawater the Next Big Fuel Source?

In April, the Navy announced a breakthrough in transforming seawater, the earth's most abundant natural resource, to fuel. Researchers used it to fly a model jet powered with an internal combustion engine like its full-sized counterparts. What are the implications of such a technology in a world …

Natural Gas

Colorful Sea Creatures

See photos of colorful sea creatures (including sea stars, clownfish, nudibranchs, and more) in this ocean photo gallery from National Geographic.

How eating broccoli could help protect us from air pollution

New research suggests a compound in the vegetable might cause us to expel toxic chemicals<p>The average adult inhales over 3,000 gallons of air every day. That's a lot of air, and in these smoggy times, it's a given that it contains toxic substances that we'd rather keep outside of our bodies.<p>One such …

Russia Just Finished A Submarine It Has Spent 20 Years Building

The 1990s are back, and they're nuclear.<p>There are college sophomores who were born after Russia began building its newest submarine. The K-329 Severodvinsk (re-designated the K-560 Severodvinsk in late 2013) is a submarine powered by a nuclear reactor and is made to hunt other submarines, ships, …

Military

A Jetliner For A Fuel-Starved Future

Slimming down the classic passenger jet<p>An MIT team has turned a multi- million-dollar NASA contract into the most advanced rethink to date of the classic passenger jet. The design, nicknamed the Double Bubble, calls for an extra-wide fuselage and rear-mounted turbo­fan engines. The configuration …

Aerospace

How Gut Bacteria Could One Day Help Stop Diabetes Before It Starts

We still don't completely understand all the factors that cause someone to develop type 1 diabetes, but emerging research on gut bacteria reveals that the microorganisms may play an important role in keeping energy levels up and metabolic problems down -- major issues when it comes to diabetes care.<p>…

Resonance: from swings to subatomic strings

Resonance crops up when we talk about music, art and ideas. But that's nothing compared to how widely it appears in science.<p>Related Stories<p>Vibrations …

Hubble Telescope to Start Hunt for Icy World Beyond Pluto

Changing Planet<p>Artist’s depiction of the New Horizons spacecraft encountering a Kuiper Belt object.<br>Credit: Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute (JHUAPL/SwRI)<p><b>NASA’s Hubble Space Telescope will begin searching for an icy world beyond Pluto that could use</b> …

The Great Arctic Melt Opens Up A Lot Of Questions

Can we answer them before it's too late?<p><i>The Great Melt: This animation of images taken over time by NASA satellites shows Arctic sea ice declining for the past 30 years. The year to year rate of decline 11.5 percent per decade. Via The Bridge. Image Credit: NASA/Goddard Scientific Visualization</i> …

Global Warming

How Scientists Can Sniff Out Methane on Alien Worlds

Astronomers now have a powerful new tool to sniff out methane on alien planets. The organic molecule, considered one of the building blocks of life, could be key to finding organisms beyond Earth.<p>Using supercomputers, a team of scientists developed a new absorption spectrum for methane that's 2,000 …

Universe

Scientists discover massive ocean of water 400 miles underground

Researchers at Northwestern University have found evidence for a massive reservoir of water deep within the Earth's mantle. The reservoir, which is said to be three times the volume of the oceans on the surface, is contained within highly-pressurized rock known as ringwoodite. The scientists hope …