Showing posts with label Albert Einstein. Show all posts
Showing posts with label Albert Einstein. Show all posts

Thursday, February 1, 2018

China’s Building A LASER That Could ‘Tear Space Apart’

Straight to the Milky Way


The Chinese are building a laser that is 10 trillion times more intense than the sun and could rip apart space. Physicists say that this laser could be operational as early as 2023.


Physicist Ruxin Li and colleagues are breaking records with the most powerful pulses of light the world has ever seen. At the heart of their laser, called the Shanghai Superintense Ultrafast Laser Facility (SULF), is a single cylinder of titanium-doped sapphire about the width of a Frisbee. After kindling the light in the crystal and shunting it through a system of lenses and mirrors, the SULF distills it into pulses of mind-boggling power.


The end goal is to create a laser so powerful it can produce 100-petawatt laser pulses or 100 million billion watts. To put that number in context, that’s 10,000 times the power of all the world’s electrical grids combined. These immense and powerful pulses could be targeted at incredible precise spots measuring just three micrometers across – that’s 2000 times less than the thickness of a standard pencil.


This means the researchers could achieve a laser intensity 10 trillion trillion times greater than the sunlight striking earth. According to the Science Mag, this laser would be so powerful it “could rip apart empty space.”  Physicists hope to achieve a phenomenon known as “breaking the vacuum,” whereby electrons are torn away from positrons (their antimatter counterparts) in the empty vacuum of space.


The laser could also power demonstrations of a new way to accelerate particles for use in medicine and high-energy physics.


Should the laser prove successful, it would be a striking illustration that matter and energy are interchangeable, as Albert Einstein’s famous E=mc2 equation states. Although nuclear weapons attest to the conversion of matter into immense amounts of heat and light (energy), doing the reverse is not so easy. But Li says physicists working on the SEL laser (Station of Extreme Light) are up to the task. “That would be very exciting,” he says. “It would mean you could generate something from nothing.”


 

Thursday, October 26, 2017

Einstein"s Scribbled Theory On Happiness Sells For $1.6 Million – 195x Highest Expectations

A scribbled note by Albert Einstein which described his theory on the key to happy living was sold at auction in Jerusalem for $1.56m.



According to The Telegraph, the winning bid for the note far exceeded the pre-auction estimate of between $5,000 and $8,000, according to the website of Winner"s auction house.


"It was an all-time record for an auction of a document in Israel," Winner"s spokesman Meni Chadad told AFP…Bidding in person, online and by phone, started at $2,000. A flurry of offers pushed the price rapidly up for about 20 minutes until the final two potential buyers bid against each other by phone. Applause broke out in the room when the sale was announced.


The newspaper reports that Einstein was on a lecture tour of Japan in 1922 and had recently been awarded the Nobel prize. Einstein didn’t have cash to pay a tip to a bellboy in the Imperial Hotel in Tokyo, so he gave him two notes, predicting they would be worth more than a tip. He is reported have said.


“Maybe if you"re lucky those notes will become much more valuable than just a regular tip.”



The Telegraph continues, Einstein dedicated his life to science, but suggested in the notes that fulfilling a long-term ambition doesn"t necessarily guarantee happiness. 


The note said.


“A quiet and modest life brings more joy than a pursuit of success bound with constant unrest.”



The anonymous buyer was from Europe.


The notes were sold by an anonymous Hamburg resident who commented "I am really happy that there are people out there who are still interested in science and history and timeless deliveries in a world which is developing so fast."


On the second note was written “where there’s a will, there’s a way”. It sold for $240,000.


 









Tuesday, October 17, 2017

Two Stars Crashed Into Each Other Flinging Out Gold, And Wobbling The Universe


crashing-stars


The amazing new discovery of two crashing stars is a giant leap forward for astrophysics. This celestial event has been described by many as one of the most exciting things to happen in space.


According to The Independent, the super-dense neuron stars crashed together 130 million light-years away, spewing out precious metals and other heavy elements like platinum and uranium. Neutron stars, the collapsed remnants of massive stars that have died in supernova explosions, are some of the most exotic objects in the universe Experts say the event has kickstarted a “new chapter in astrophysics” and confirmed theories about the origin of the mysterious neutron stars. They were also able to use telescopes on satellites and the ground to see the light and radiation that was being flung out of the explosion, which is known as a “kilonova.”


“They [neuron stars] are as close as you can get to a black hole without actually being a black hole,” theoretical astrophysicist Tony Piro, of the Observatories of the Carnegie Institution for Science in Pasadena, California, said in a different statement. “Just one teaspoon of a neutron star weighs as much as all the people on Earth combined.”


This huge explosion also rocked the very fabric of the universe, distorting spacetime. That is a major discovery in itself, marking only the fifth time that gravitational waves have been spotted on Earth and for the first time ever, scientists have spotted both gravitational waves and light coming from the same cosmic event Scientists didn’t just “hear” the violent blast by seeing the ripples in spacetime. Every other gravitational wave detection has been traced to black holes crashing together in remote regions of the universe more than a billion light-years away.



Albert Einstein first predicted the existence of gravitational waves in his theory of general relativity, which was published in 1916. But it took a century for astronomers to detect them directly. That milestone came in September 2015, when LIGO saw gravitational waves emitted by two merging black holes. Gravitational waves are ripples in the fabric of space-time generated by the acceleration of massive cosmic objects. These ripples move at the speed of light, but they’re much more penetrating; they don’t get scattered or absorbed the way light does. –Space



On Aug. 17, 2017, LIGO’s two detectors, which are located in Louisiana and Washington state, picked up a signal that lasted about 100 seconds.  That’s far longer than the fraction-of-a-second “chirps” spawned by merging black holes. “It immediately appeared to us the source was likely to be neutron stars, the other coveted source we were hoping to see — and promising the world we would see,” David Shoemaker, a spokesman for the LIGO Scientific Collaboration and a senior research scientist at the Massachusetts Institute of Technology’s Kavli Institute for Astrophysics and Space Research, said in a statement.


The landmark discovery initiates the field of “multimessenger astrophysics,” which promises to reveal exciting new insights about the cosmos, researchers said. The find also provides the first solid evidence that neutron-star smashups are the source of much of the universe’s gold, platinum, and other heavy elements.



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Friday, April 14, 2017

If An Electorate Falls In The Forest, Is Their Voice Heard?

Authored by Danielle DiMartino Booth,


Quizzically-inclined quantum physicists quench their intellectuality by quoting philosophers first, then their fellow scientists.


It is in fact questionable whether quantum physics would have come into being if not for George Berkeley’s 1710, “A Treatise Concerning the Principles of Human Knowledge.” Berkeley’s most famous saying is, ‘esse est percipi,’ or, ‘to be is to be perceived.’ He elaborated using the following examples:


“The objects of sense exist only when they are perceived: the trees therefore are in the garden, or the chairs in the parlour, no longer than while there is some body by to perceive them.” So matters of matter exist only in our mind. It is critical to note that Berkeley never posed a question but rather he made a statement of the world view through his metaphysical personal prism.


It was not until the June 1883 publication of the magazine The Chautauquan that the question was put as such: “If a tree were to fall on an island where there were no human beings would there be any sound?” Rather than pause to ponder, the answer followed that, “No. Sound is the sensation excited in the ear when the air or other medium is set in motion.”


A vexatious debate has ensued ever since, one that eventually stumped the great Albert Einstein who finally declared “God does not play dice.” In recognizing this, Einstein also resolved himself to the quantum physics conclusion, that there is no way to precisely predict where individual electrons can be found – unless, that is, you’re Divine.


Odds are high that the establishment, which looks to ride away with upcoming European elections, is emboldened by quantum physics. The entrenched parties appear set to retain their power holds, in some cases by the thinnest of margins. What is it the French say about la plus ca change? Is it truly the case that the more things change the more they stay the same?


Is this state of stasis sustainable, you might be asking? Clearly the cushy assumption is that the voices of those whose votes will not result in change will be as good as uncast, unheard and unremarkable.


Except…and this is a big ‘except’ – time is on the side of the castigated and for one simple reason – they are young. Consider Great Britain’s majority decision to leave the European Union (EU). An un-astonishing 59 percent of pensioners voted to leave the EU while only 19 percent of those between the ages of 18 and 24 supported Brexit. The aged see the EU as a cash drain at just the wrong time, and for good reason while the young view those 28 member states as the land(s) of opportunities.


With the caveat that polling has been revealed to be anything but reliable, young voters in France see things a might bit differently. Nearly half of surveyed French youth say they will vote for far-right candidate Marie Le Pen. At the opposite end of the spectrum, the dark horse far-left candidate, Jean-Luc Melechon, has enjoyed a late-stage surge in the polls by vowing to increase wages and shorten workweeks. Both insurgent camps view the lead contender, former banker Emmanuel Macron as the epitome of elitism, their ‘Hillary.’


Polls show the initial round of voting, which takes place on April 23rd, will make Macron sweat, but that he will survive to stand as the strongest contender in the second round. The status quo thus prevails, which for many represents continued economic stagnation and evasion of fiscal reforms.


Now factor in the rising recognition of the fallibility and limitations of central bankers. Mario Draghi, encouraged shall we say by the Germans, looks set to begin tapping the brakes on Europe’s answer to quantitative easing. Let’s be clear. Draghi has made it plain that he won’t go down without a fight. Nonetheless, it appears monetary policy will slowly become less accommodating, dragging on growth in the peripheral countries.


And then there is the matter of the refugee crisis, the cost of which few in the United States fully appreciate. Faced with impossible living conditions and no access to work in Jordan, Turkey and Lebanon, hundreds of thousands have opted to risk the journey to Europe. In 2015, 1.3 million asylum seekers landed in Europe, half of whom traced their origins to Syria, Afghanistan and Iraq. That number plunged in 2016 to 364,000 owing mainly to a deal between the EU and Turkey which blocks the flow of migrants to Europe.


The cost, not surprisingly, is enormous. Europeans spend at least $30,000 for every refugee who lands on her shores. By some estimates, the cost would have been one-tenth that, as in $3,000 per refugee, had the journey to Europe NOT been made in the first place.


Of course, aid money helps cover the cost of the crisis. Some $15.4 billion, about 10 percent of global aid monies raised in 2016, was directed to hosting and processing migrants in developed countries last year. While charity lessens the burden, it can’t staunch anger at headline-grabbing statistics claiming that Chancellor Angela Merkel’s ‘failed migrant policy’ will cost German and EU taxpayers $46 billion in the two years ending 2017.


Fear thee not, the consensus is that September’s elections in Germany will come and go with little to no fanfare; pro-Europe candidates enjoy wide leads in the polls. Many macroeconomists expect the year to end with the strongest ties in generations between Germany and the rest of the eurozone, led by France. Bullish analysts expect the euro to shake its jitters and end the year above €1.10.


The biggest obstacle to a happy ending, for the time being at least, comes down to Italy. General elections must take place by May 2018 but an early vote remains a possibility if the current prime minister of the eurozone’s third-largest economy does not survive the year. Investors, for their part, yawn at the mention of Italy. As the Wall Street Journal pointed out in a recent story, numbness tends to set in after 44 governments have come and gone in the space of 50 years.


The most recent survey revealed a record one-in-three Italians would vote the Five-Star Movement into power if elections took place today. The rebellious, populist party has tapped the anxieties of Italians whose per capita economic output has suffered the most since the euro was formed in 1999. Even the Greeks can claim to have suffered less.


Is an Italian uprising in the cards? The bond market certainly doesn’t buy into the potential for major disruption, grazie Signore Draghi.


At some point demographics will start to matter. The situation in France is no doubt grave, with youth unemployment at nearly 24 percent. But that pales in comparison to Italy where 39 percent of its young workers don’t have jobs to go to, day in and day out. Older voters determined to keep the establishment intact will begin to die off. In their wake will be a growing majority of voters who are increasingly disenfranchised, disaffected and despondent.


If there’s one lesson Europeans can glean from their allies across the Atlantic, it’s that bullets can be dodged, but not indefinitely. As we are learning the hard way, necessary reforms are challenging to enact. Avoidance, though, will only succeed in feeding anger and despair. The longer the voices of the desperate go unheard, as just so many silently falling trees in the forest, the more piercing their cries will be in the end.