• Two entangled electrons

    Updated: 2009-10-20 01:56:36
    I'm not a physicist but here goes. What happens if you have two entangled electrons A and B. What if B goes against what is probable and collapses onto a star 10 billion light years away traveling...

  • battery charging Problem

    Updated: 2009-10-20 01:44:18
    *1. The problem statement, all variables and given/known data* A cordless drill battery charger is rated at 30.0 W but requires only 13.5 V. It contains a transformer that converts 120 V household...

  • elastic collision with no info on object 1

    Updated: 2009-10-20 01:40:33
    *1. The problem statement, all variables and given/known data* Cart1, with mass m, is initially at rest and is struck by cart2, which has a mass of 337 kg and initial speed of 2.07 m/s. The...

  • Talk by Weinberg about LHC and future of particle physics (video)

    Updated: 2009-10-20 01:27:44
    Excellent talk at clear basic level. To save time, one can start at minute 7:00. That's where he discusses the standard model and then the Higgs, and then moves on to what else might be found....

  • forces involved in circular motion

    Updated: 2009-10-20 01:15:42
    *1. The problem statement, all variables and given/known data* hey, i was looking at an explanation in a text book where it says a ball on the end of a string is swung horizontally in circular...

  • how electricity REALLY travels at light speed

    Updated: 2009-10-20 01:09:57
    When some people try to explain current flow in a circuit, their explanation troubles me. They say that electrons 'push against each other' and this is responsible for the close to speed of light...

  • Higgs, Dark Matter and Supersymmetry: what the LHC will tell us

    Updated: 2009-10-20 00:30:57
    The Council for the Advancement of Science Writing is holding a New Horizons in Science conference right now in Austin. This morning Steven Weinberg gave a talk, now available online, with the title Higgs, dark matter and supersymmetry, what the Large Hadron Collider will tell us. He described the Higgs as something definitely [...]

  • Because…

    Updated: 2009-10-19 22:32:34
    Because all Lairs should have a Black Gate… -cvj

  • UK climate protest, scores arrested

    Updated: 2009-10-19 20:07:00
    scientific american register Newsletters SA Community SA Digital Print Subscriber Services online sections News Features Mind Matters In-Depth Reports Fact or Fiction Extreme Tech Ask the Experts Edit This Slide Shows Image Gallery Videos 60-Second Science Podcast 60-Second Earth Podcast 60-Second Psych Podcast Science Talk Podcast Content Partners blogs Scientific American Observations Bering in Mind Extinction Countdown Solar at Home Expeditions scientific american magazine Subscribe INSIDE THIS ISSUE Features News Scan 50, 100 150 Years Ago Antigravity Skeptic Critical Mass Scientific American Perspectives Sustainable Developments Ask the Experts Recommendations Letters From the Editor Special Editions scientific american mind magazine Subscribe INSIDE THIS ISSUE Features Head Lines Perspectives Ask the Brains We're Only Human Illusions Facts and Fictions in Mental Health Reviews and Recommendations Consciousness Redux Mind in Pictures From the Editor Letters Calendar science jobs subscribe Basic Science Biology Chemistry History of Science Math Physics Society Policy Everyday Science Science Education Space Astrophysics Extraterrestrial Life Galaxies Space Exploration Cosmology

  • Next-gen dark energy telescope might deliver images in real time

    Updated: 2009-10-19 19:46:18
    The Large Synoptic Survey Telescope, or LSST, might be able to do it's image calibration and data pre-processing on the fly, and deliver data and images essentially immediately rather than after weeks or months. A new grant from the National Science Foundation will let researchers figure out if they can make it work.

  • One Atom, Nine Dimensions!

    Updated: 2009-10-19 16:36:07
    The Hermetic philosophy states: As above, so below. Could it be that the lowly invisible atom, compo

  • Higgs boson searches with CMS

    Updated: 2009-10-19 16:31:51
    As I mentioned yesterday, I was able to put together a proceedings paper on the "Search for the Standard Model Higgs boson with the CMS Detector" with the help of a collaborator, Eleni Petrakou. The article will be available on the ArXiv preprint server tomorrow, or even today by clicking on the picture below, which shows part of the first page. The article is quite simple to read and quite short. It should be readable by anybody, not just experts. I will be available to answer any question you may have on its contents, as always. Enjoy! read more

  • Canadian theory institute honours Stephen Hawking

    Updated: 2009-10-19 09:45:31
    Perimeter Institute for Theoretical Physics names new building after the Cambridge physicist

  • Switchable Fiber Optic Adapter

    Updated: 2009-10-19 09:44:43
    Installing this unique adapter in a bulkhead application allows the end user at any time to switch to another adapter interface,easy cleaning and maintenance and high precision alignment.

  • Multi-Fiber MT Lensed Fiber Optic Patch Cables

    Updated: 2009-10-19 09:44:34
    This lensed MT high density fiber optic patch cables are with innovative design to reduce optical loss due to contamination.

  • UNION OPTICS CO.,LTD.

    Updated: 2009-10-19 09:44:20
    UNION OPTICS mainly produces all kinds of high quality optical components.Such as Prisms,Windows,lens,Filter,Aspherical mirror, etc. And the material of the crystal, for example, MgF2 , CaF2 , BaF2, ZnSe, Sapphire, YAG, etc.

  • Shanghai HJ Fiber CO.,Ltd

    Updated: 2009-10-19 09:43:47
    Shanghai HJ Fiber Co., Ltd Founded in 1988 , The company operated by a experienced and dedicated team, among staffs which 5% are doctor or master degree, 35% are junior college graduates, and 15% are professional engineers.

  • Channeling 2010

    Updated: 2009-10-19 00:00:00
    Conference: 3 Oct 2010 - 8 Oct 2010, Ferrara, Italy. Organized by Istituto Nazionale di Fisica Nucleare - Lab Naz Frascati.

  • Digital Media: Addressing the Innovations & Challenges for Digital Britain

    Updated: 2009-10-19 00:00:00
    Conference: 2 Dec 2009, London, United Kingdom. Organized by London Technology Network.

  • Juggling Scientists

    Updated: 2009-10-18 22:47:04
    Recently, I came across a BBC article about juggling.  Apparently, it can increase the white matter of your brain by as much as 5%.  I have not done much juggling in my life, so I really hope that the juggling I am doing now as a postdoctoral researcher counts! Let me explain… The position title Postdoctoral [...]

  • Is The Universe "Defeating Itself"

    Updated: 2009-10-18 17:50:05
    According to October 16th’s, Friday Night Comedy News Podcast from BBC Radio 4, a new theory

  • 2,443 Authors

    Updated: 2009-10-17 19:47:56
    The first paper from the CMS collaboration has been posted to arXiv.  (It has also been submitted for review at a real-life journal!) It discusses how aligning part of the detector using a few hundred million cosmic rays was successfully done. The text of the paper itself is 20-some pages.  And the author list?  Almost the [...]

  • Berkeley’s Nobel Prize Parking

    Updated: 2009-10-17 19:04:41
    There’s a great story on NPR’s Morning Edition about UC Berkeley’s “Nobel Laureate” parking spots. From the article: Winning a Nobel Prize is difficult enough. But on the campus of the University of California, Berkeley, there is something that might be even more difficult to get: a parking space on the central campus. That’s why Berkeley has [...]

  • Is the Large Hadron Collider capable of time travel?!

    Updated: 2009-10-17 18:25:28
    Scientists now think that the Large Hadron Collider is killing itself from the future. In an article

  • Galileo's "falling bodies" experiment re-created at Pisa

    Updated: 2009-10-17 12:36:41
    A physicist re-created Galileo's famous experiment at the leaning tower of Pisa earlier this year. Science writer Dan Falk was there and made a video of the proceedings.

  • Dear Large Hadron Collider Science Guys...

    Updated: 2009-10-16 17:33:11
    Big Hole in the Ground, Geneva, Switzerland Dear Sciencers,   This morning, when the hotel sent up M

  • Enter the yoctosecond

    Updated: 2009-10-16 16:45:07
    Particle collisions could yield ultrashort light pulses

  • LHC now cooled to superconducting temperatures

    Updated: 2009-10-16 16:29:22
    The Large Hadron Collider's have been cooled to their superconducting operating temperatures at 1.9 kelvin. The online charts of the temperatures show all eight sectors of the LHC cooled.

  • Ciao!

    Updated: 2009-10-16 08:53:26
    Ciao!  I just returned to CERN from a few days in Milan.  It was a very productive trip (unfortunately that meant I didn’t see much of Milan).  I met with two people from Milan and one who came from the US, and we basically sat in a conference room for 3 days working together. This was [...]

  • Batman, Higgs and Nuclear Terror: Dinner With Jim

    Updated: 2009-10-16 04:40:31
    Jules Alexandre Grün (1868-1938*), Fin de Souper, 1913. Oil on Canvas, Musée des Beaux-Arts de Tourc

  • Large Hadron Collider: Sabotage From The Future

    Updated: 2009-10-15 23:00:24
    Oh, yes! Saboteurs from the future are keeping the Large Hadron Collider from starting up, since th

  • On the sunny side of the street.

    Updated: 2009-10-15 22:48:30
    On the lighter side of science. I applaud you, nameless faulty solderer. I just hope you and the ot

  • Ribosome Revelations: A Conversation with Nobelist Ramakrish

    Updated: 2009-10-15 21:02:37
    scientific american register Newsletters SA Community SA Digital Print Subscriber Services online sections News Features Mind Matters In-Depth Reports Fact or Fiction Extreme Tech Ask the Experts Edit This Slide Shows Image Gallery Videos 60-Second Science Podcast 60-Second Earth Podcast 60-Second Psych Podcast Science Talk Podcast Content Partners blogs Scientific American Observations Bering in Mind Extinction Countdown Solar at Home Expeditions scientific american magazine Subscribe INSIDE THIS ISSUE Features News Scan 50, 100 150 Years Ago Antigravity Skeptic Critical Mass Scientific American Perspectives Sustainable Developments Ask the Experts Recommendations Letters From the Editor Special Editions scientific american mind magazine Subscribe INSIDE THIS ISSUE Features Head Lines Perspectives Ask the Brains We're Only Human Illusions Facts and Fictions in Mental Health Reviews and Recommendations Consciousness Redux Mind in Pictures From the Editor Letters Calendar science jobs subscribe Basic Science Biology Chemistry History of Science Math Physics Society Policy Everyday Science Science Education Space Astrophysics Extraterrestrial Life Galaxies Space Exploration Cosmology

  • Mummy finds a home after odyssey

    Updated: 2009-10-15 19:48:35
    scientific american register Newsletters SA Community SA Digital Print Subscriber Services online sections News Features Mind Matters In-Depth Reports Fact or Fiction Extreme Tech Ask the Experts Edit This Slide Shows Image Gallery Videos 60-Second Science Podcast 60-Second Earth Podcast 60-Second Psych Podcast Science Talk Podcast Content Partners blogs Scientific American Observations Bering in Mind Extinction Countdown Solar at Home Expeditions scientific american magazine Subscribe INSIDE THIS ISSUE Features News Scan 50, 100 150 Years Ago Antigravity Skeptic Critical Mass Scientific American Perspectives Sustainable Developments Ask the Experts Recommendations Letters From the Editor Special Editions scientific american mind magazine Subscribe INSIDE THIS ISSUE Features Head Lines Perspectives Ask the Brains We're Only Human Illusions Facts and Fictions in Mental Health Reviews and Recommendations Consciousness Redux Mind in Pictures From the Editor Letters Calendar science jobs subscribe Basic Science Biology Chemistry History of Science Math Physics Society Policy Everyday Science Science Education Space Astrophysics Extraterrestrial Life Galaxies Space Exploration Cosmology

  • The collider, a particle and a theory about fate

    Updated: 2009-10-15 04:59:31
    http://www.nytimes.com/2009/10/13/science/space/13lhc.html?_r=1&ref=science “A pair of oth

  • Is The Large Hadron Collider Being Sabotaged from the Future

    Updated: 2009-10-14 23:54:02
    What if all the Large Hadron Collider’s recent woes are more than bad luck and technical prob

  • Aggravating the gods

    Updated: 2009-10-14 17:05:39
    Sigh… I was reading the New York Times today (ok so I’m a couple of days behind because I was reading it from October 12th) and I came across this article: The Collider, the Particle and a Theory About Fate To save you some time, the article references an arXiv paper posted in 2007 about backward causation and [...]

  • It Wasn't Us, It Was The Higgs Boson

    Updated: 2009-10-14 10:31:16
    Scientists warn that science is sabotaging itself! Last year the most expensive and, some would argu

  • Explain THAT Science! #10: Large Hadron Collider

    Updated: 2009-10-14 05:52:07
    By Columnist Harry Trunckles Scientists are once again behaving irresponsibly.  Their vice? —

  • The Collider, the Particle and a Theory About Fate

    Updated: 2009-10-13 23:02:56
    From The New York Times: By DENNIS OVERBYE Published: October 12, 2009 More than a year after an ex

  • Sabotaged by the Future?

    Updated: 2009-10-13 19:26:41
    The Large Hadron Collider might well be it’s own worst enemy.  According to theoretical physic

  • Is The Higgs Boson Trying To Sabotage The LHC?

    Updated: 2009-10-13 18:17:08
    Two physicists are speculating that the Higgs boson is trying to sabotage the Large Hadron Collider,

  • The future of neutrino physics in Europe

    Updated: 2009-10-13 15:54:10
    For three days last week, more than 250 scientists gathered at CERN in Geneva, Switzerland to discuss the future of European participation in the field of neutrino physics. The focus was on new accelerator-based neutrinos facilities to be built after 2015, and the R&D necessary over the next few years to determine the direction of neutrino research.

  • Large Hadron Collider

    Updated: 2009-10-13 03:42:47
    Large Hadron Collider The Large Hadron Collider (LHC), located in a tunnel 27 kilometers (17 miles) 

  • Symmetry in Physics, Pt. 3: Internal Symmetries

    Updated: 2009-10-12 20:37:21
    Now time for another installment of “symmetry in physics.” For those of you tuning in late (or who have forgotten what we’ve been discussing), we started out in part 1 with a very general discussion of the symmetries of spacetime and how this constrains the form of our theories. Next, in part 2 we looked [...]

  • A scientist, a humanist, and social scientist are stuck on a desert island…

    Updated: 2009-10-12 17:29:38
    If you had a scientist, a humanist, and a social scientist stranded on a desert island, and room in a life raft for just one of them, which one would you save? Don't base it on personal affection--but on which discipline you think can most benefit the future of humanity.

  • October, exercised

    Updated: 2009-10-10 03:32:54
    Here at CMS, we are in the midst of something that, I guess for lack of a better name, has been dubbed the “October exercise.” For the past week and the week to come, we have been trying to get as many people as possible to use the distributed computing system just as they [...]

  • France Arrests Physicist who worked at CERN

    Updated: 2009-10-09 19:02:38
    CERN ends up in the news quite unexpectedly at times: PARIS — The French authorities have arrested a physicist who worked for years at CERN, the huge nuclear research center in Switzerland, on suspicion of links to Al Qaeda’s affiliate in North Africa, the center said Friday. http://www.nytimes.com/2009/10/10/world/europe/10cern.html Unless terrorists are interested in understanding [...]

  • Who will lead innovation in the future?

    Updated: 2009-10-09 17:11:30
    In a recently released report, the European Research Area Board said increased public understanding of science and increased investment in education and in research is needed to keep Europe economically viable in 2030.

  • Simula't Sapul...

    Updated: 2009-10-09 12:35:32
    Nagsimula ang uniberso mula sa isang payak na materya na napitpit sa bilyung libra kada kubiko pulga

  • Name that particle smasher – no really, name it.

    Updated: 2009-10-08 16:10:58
    Fermilab has asked the general public for suggestions of what to name their next big accelerator--currently known as ProjectX. Deputy Director Young-Kee Kim told the New York Times that Fermilab was accepting suggestions, and since the article ran on October 6, Kim has received over one hundred emailed suggestions.

  • Latest From the LHC

    Updated: 2009-10-07 15:45:58
    Things have been going fairly well at the LHC, with no major problems encountered recently as the machine is being prepared for operation. The last two sectors (34 and 67) are almost cool (see more about this here). Not mentioned in the CERN Bulletin article is that there has been about a week [...]

  • MicroBooNE experiment receives approval of "mission need"

    Updated: 2009-10-07 14:59:45
    Fermilab has moved a step closer to constructing a new neutrino experiment. The Department of Energy has given "mission need" approval to a new Booster Neutrino Experiment called MicroBooNE. The experiment will look for potential anomalies in low-energy neutrino interactions, which were first reported by the MiniBooNE experiment at Fermilab in 2007.

  • A stroll down memory lane!

    Updated: 2009-10-07 03:26:25
    I recently read an article by Nick and Lizzie that described the “weird” architecture at Fermilab. It mentioned the 15 foot bubble chamber, a detector of yore that has now been turned into the “world’s strangest lawn ornament”. I did my thesis work on an experiment that used this detector; I am probably one [...]

  • Beyond the Nobel: The largest ever CCD digital cameras will explore the universe

    Updated: 2009-10-06 17:01:37
    The Nobel Prize in Physics was awarded today partly for the invention of CCD digital cameras. The largest ever CCDs, at 3.2 gigapixels, will be used as a camera on the upcoming Large Synoptic Survey Telescope.

  • Congratulations to Physics Nobel prize winners!

    Updated: 2009-10-06 15:22:40
    I don’t know how many of you have had the chance to see the new Intel commercials (not that I’m advocating Intel) but they pay homage to the people who developed the technology used in Intel products instead of the products themselves. Who’s your rock star?… you are Ajay Bhatt for co-inventing the USB. Now we [...]

  • Indian institutions, Fermilab team up for SRF technology

    Updated: 2009-10-06 15:16:18
    In September, engineer Jushnu Dwivedi finished a three-month stay at Fermilab's Technical Division as part of the collaboration formalized in February between four Indian institutions and Fermilab. Back in India, the collaboration is working on its first single-cell superconducting accelerating cavity, which will be shipped to Fermilab for processing and testing, Dwivedi said. He expects a more complex multi-cell cavity to be ready in about a year.

  • LHC TV

    Updated: 2009-10-05 15:00:07
    I was perusing one of my favorite physics magazines, Symmetry breaking, this morning I came across an article which said: “Check out CERN’s LHC News video series on YouTube. The regular reports use video, animations, interviews, and commentary to inform the public about the status of repairs and the start-up schedule of the accelerator, as well [...]

  • Rio 2016!!

    Updated: 2009-10-04 22:57:25
    Despite of what TV makes us believe about scientists (and in particular about physicists), several of us, like a great percentage of the world population, are very much passionate about sports.  In my case, although I enjoy other disciplines as well, football (soccer) occupies a special place in my life.  In fact, I was very [...]

  • My Thesis Topic: Measuring Jets with the Inner Detector

    Updated: 2009-10-04 05:38:19
    Hi, Seth here. I haven’t written much here lately, because I’ve been busy with two rather involved tasks. First, I’ve been working on the logistics of moving back to California in a few months; and second, I’ve been I’ve been getting my thesis topic in shape.  I gave a talk on it in [...]

  • Bus routes near CERN

    Updated: 2009-10-02 19:52:19
    Buses and other transportation near CERN is operated by the Transports publics genevois (TPG).  Sorry, no English version.  Some vocabulary words to know: Horaires et réseau = Schedule and map (routes) arrêt = stop (like bus stop), and arrêter = to stop ligne = line (like bus line) Luckily, their site is well organized, and so there is a [...]

  • Mountains of data

    Updated: 2009-10-02 16:38:14
    In a previous post, Regina gave an overview of triggers. Let me add to that and give some numbers. When the LHC is operating at design parameters, we will have collisions every 25 ns, i.e., at a 40 MHz rate (40 million/second). Obviously, we can’t collect data at the rate, so we pick the interesting [...]

  • El mecanismo de Higgs no distingue entre materia y antimateria según el Tevatrón del Fermilab

    Updated: 2009-09-30 23:56:38
    El bosón de Higgs dota de la misma masa a una partícula y su antipartícula, según la teoría del Mod

  • LHC (Large Hadron Collider) goes live mid Nov

    Updated: 2009-09-28 22:15:39
    Hi All, The LHC comes online to search the infinitely small (well Nearly!) particle Universe down to

  • The Next Discovery Of Fermilab

    Updated: 2009-09-21 22:30:07
    The question of what will the next discovery at Fermilab be was asked in the thread of a recent article, and I initially answered it there, but then thought that expanding my answer makes excellent material for an independent article. Therefore, below I have tried to put together my own personal list of the places from where a unexpected new Tevatron discovery may come and hit us, in the near future. read more

  • Become A Fan Of The Tevatron!

    Updated: 2009-09-20 22:16:54
    I am spending my time in the CDF Control Room this week (seven days, from 4PM to midnight), as a Scientific Coordinator. My job is to work with my crew to ensure that the experiment collects good data as efficiently as possible. The data I am talking about is, of course, provided by our glorious accelerator, the Tevatron collider. Today I will tell you how the Tevatron is doing these days, and doing that will prepare the ground to my suggestion that you should become a fan of this wonderful machine. A short introduction read more

  • Three Reasons Why the Large Hadron Collider Will NOT Destroy the Earth

    Updated: 2009-09-16 06:04:28
    One of the things I did at Dragon*Con a couple of weeks ago was to give a talk on the physics of the

  • Better hurry, LHC... Tevatron is catching up!

    Updated: 2009-08-23 01:26:55
    What’s almost as hot as the LHC? Fermilab’s particle accelerator, the not-quite-so world

  • The New Odd Couple? Point Particles and Gravity

    Updated: 2009-08-21 19:08:27
    Have quantum particles and gravity been reconciled? Whatever will we do with all that string we

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