Sirisha Pk

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Gravitational Waves Found Again: Here’s How They Could Whisper The Universe’s Secrets

The international team of physicists and astronomers responsible for the discovery of gravitational waves back in February has announced the …

Gravitational Waves

If you think your brain is more than a computer, you must accept this fringe idea in physics

One of the most intriguing speculative arguments in physics and computer science isn't really about physics or computer science at all. It's about the brain — or more precisely, about consciousness — and it's been going on for decades. Its central question: Is the brain fundamentally like a …

Consciousness

Why Space and Time Might Be an Illusion

This past fall, the world of physics celebrated the 100th anniversary of Albert Einstein's general theory of relativity, which forms the foundation of our modern understanding of the force of gravity. Einstein's creation has been the ultimate antidote to a blasé, seen-it-all attitude that sometimes …

Quantum Mechanics

Al Gore is hugely optimistic when it comes to one thing about climate change

Al Gore is still as impressive on climate change as ever. And the stats and examples he fluently quotes when speaking on the subject aren’t getting any easier to take.<p>Back in 2006, the slideshow Gore created to convince resistant politicians, companies, and individuals of the threat of man-made …

Climate

March temperature smashes 100-year global record

Average global temperature was 1.07C hotter - beating last month’s previous record increase<p>The global temperature in March has shattered a century-long record and by the greatest margin yet seen for any month.<p>February was far above the long-term average globally, driven largely by climate change, …

Global Warming

Captain America Civil War stars take sides with personalized videos

The <i>Captain America: Civil War</i> rivalry just got personal. As the release date nears for the superhero showdown pitting Chris Evans’ patriotic …

The North Pole is 'moving towards the UK' say scientists

New scientific studies show that the North Pole is gradually shifting towards the UK, as global warming is changing the way the Earth turns on its …

Climate change is now affecting how the Earth moves

Researchers at NASA's Jet Propulsion Laboratory have found that climate change is now affecting the way that the Earth moves. The team found that, as the last century has progressed, the "wobble" that our planet makes as it travels has shifted. A hundred years ago this movement -- called polar …

Early efforts to construct an artificial life form in a software model have reached a milestone, as the digital animal wriggled for the first time. Full story: http://fw.to/CbNINDM Photo: OpenWorm

Scientists used 192 beams from the world’s most powerful laser and shoot them at a small pellet of hydrogen fuel until it reached the point where nuclear fusion takes place (about 3.3. million Kelvin). This was the first time that the energy produced through a fusion reaction exceeded the amount of energy absorbed, which means researchers are one step closer to achieving self-sustaining nuclear fusion. Read more: http://bbc.in/16watHP via BBC News

Why Ancient Earth Was So Warm

Greenhouse gases in the atmosphere kept the planet toasty, model shows.<p><b>Some three to four billion years ago, Earth was about as warm as it is today, but the sun was much dimmer.</b><p>This so-called faint young sun paradox, first identified by astronomer Carl Sagan in the early 1970s, has flummoxed many a …

The Moon's Mystery: Scientists Debate How it Formed

How was our planet's satellite formed? Scientists are still searching for the answer.<p><b>It has taken centuries for scientists to settle on a creation story for our moon, the most popular of which is depicted on the July cover of National Geographic magazine. But as I learned at a recent lunch with</b> …

The Week In Numbers: A Planet That Rains Glass, NASA's New Hunt For Life, And More

<b>63 light-years</b>: the distance from Earth to the blue exoplanet HD 189773b, which looks like a cozy place to live—except its surface temperature is 1,000 degrees Celsius and it rains glass. Sideways.<p><b>5.5 million square feet</b>: the floor space of the new world's largest building, which could fit 20 …