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patrick tinkham
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One of the last bastions of human mastery over computers is about to fall to the relentless onslaught of machine learning algorithms.
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"[The] Big Bang… says that as space-time is expanding, this is causing the light shift towards longer wavelengths. Does space-time expansion affect matter particles in any way? After all, matter particles have a finite size."

If the Universe is expanding and cooling, it’s easy to visualize how radiation cools: it has a wavelength, space expands, and so as the wavelength gets stretched, the energy drops. But what about the matter? Energies must have dropped for matter as well, otherwise it wouldn’t have lost enough kinetic energy to become gravitationally bound into gas clumps, stars and galaxies. And yet, those things very much exist! What’s the resolution to this? The incredible answer is here.
Radiation gets stretched to longer and longer wavelengths as space itself expands, but what happens to matter?
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"[I]t can often feel as though we’re zoning in on the last few big questions of how our Universe has evolved. Instead we are standing at a precipice, looking down into a gulley of new frontiers in Cosmology that we’ve only begun to explore, waiting for our eyes to adjust."

Accelerated by some unknown mechanism, the highest energy particles in the entire Universe come from all over the sky with energies exceeding 10^19 eV, or more than a million times the energies achieved at the LHC. On the flipside, the lowest energy radio waves are emitted by an ultra-rare transition of hydrogen atoms, and may provide a window into the Universe from before the first stars formed. Come learn about the highest and lowest energy signals from the Universe, and why they matter for our understanding of it all.
How new developments in measuring the highest-energy particles and earliest signals from the Universe are teaching us wh…
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10 Articles Every Programmer Must Read - I am Programmer Do Programming (✔) Learn Programming (✔) Teach Programming (✔)
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patrick tinkham

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New at The Physics Classroom:

We have just uploaded our newest simulation to The Physics Interactives section of our website. Titled Electrostatics Landscape, the simulation allows a user to explore the electric potential "landscape" surrounding a configuration of charges. Numerical values of potential, color, and electric field vectors are used to allow the user to explore the equipotential lines about two charges. 

Like all our Interactives, they are written in HTML5 and are compatible with tablets such as the iPad, Chromebooks, and smart phones. They are the perfect tool for the 1:1 classroom. Enjoy the Electrostatics Landscapes Interactive at 

http://www.physicsclassroom.com/Physics-Interactives/Static-Electricity/Electrostatics-Landscapes
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For the seventh consecutive year, PNNL achieved the highest – or tied for the highest – overall performance grades among U.S. Department of Energy Office of Science national laboratories.  Read about PNNL’s performance evaluation in the Tri-City Herald: http://bit.ly/1weAgRA
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Until recently, little has been known about what structural features on Ebola that the antibodies bind to or how that binding occurs. The genetic material of the Ebola virus is protected by a filamentous coating of glycoproteins (GP), which are proteins chemically linked to complex sugars. GP mediates recognition of a host cell, enabling viral entry and subsequent infection. Recently, researchers have investigated how each monoclonal antibody (neutralizing and nonneutralizing) within ZMapp latches on to Ebola. These studies reveal sites of vulnerability on the virus.
We know what antibodies stop it in its tracks—we know know where they attach.
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We're getting closer!
 
The flight controllers who will launch and operate #Orion during its Dec. 4 flight test are conducting a mission dress rehearsal today to make sure they have the plans for the 4 1/2-hour flight down solid and to refine any areas. Details: http://go.nasa.gov/1yTjBBL  
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On this day, Biologist Charles Darwin's book On the Origin of Species by Means of Natural Selection was published. #biology #evolution
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Promoting diversity isn’t, as many techies think, pure do-gooderism. It’s genuinely good for business, since a large body of evidence suggests that making organizations more diverse can also make them perform better. A recent McKinsey study found that the organizations with the most diverse executive teams had dramatically higher returns on equity and earnings performance than those with the least diverse teams. A study of investment clubs by Brooke Harrington, a professor at Copenhagen Business School, revealed what she called a “diversity premium”: groups made up of both men and women outperformed single-sex ones. A worldwide study, published in May, of more than four thousand R. & D. teams found that gender-diverse teams were considerably better at driving “radical innovation.”
Credit Illustration by Christoph Niemann
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Have him in circles
201 people
Osama El Sharief's profile photo
Vedat Bilik's profile photo
Ömer Faruk Kutluer's profile photo
Beni Currey's profile photo
Richard McCollum, Jr's profile photo
R. Drew Davis's profile photo
Justin Dressel's profile photo
Argo Mafya's profile photo
Adam Black's profile photo
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