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Thijs Versloot

Magnetic bubble may give space probes a soft landing - 4 views

www.newscientist.com/article/mg22329763.100-magnetic-bubble-may-give-space-probes-a-soft-landing.html?cmpid=RSS|NSNS|2012-GLOBAL|physics-math#.U7aeTnWSzmE

magnetoshell aerocapture plasma entry

shared by Thijs Versloot on 04 Jul 14 - No Cached
  • Thijs Versloot on 04 Jul 14
     
    I am also looking into this idea since some time and it seems NASA is already ahead, awarding two contract to investigate magnetoshell aerocapture. This could be interesting for probes that want to enter eg Marsian atmospheres at relatively high velocity. Or for multiple re-entry s/c at Earth. The idea of the experiment, The satellite will carry a copper coil, powered by a lithium-ion battery, that generates a magnetic field around the probe. As it descends, the spacecraft will eject a small amount of plasma. This gets trapped in the magnetic field, creating a protective bubble that stops air molecules colliding with the craft and producing heat.
  • LeopoldS on 05 Jul 14
     
    A few years back Mimmo has worked on this, rather from the theory side if I remember well ...
  • Paul N on 11 Jul 14
     
    The power requirements for such a thing must be HUGE!
Nina Nadine Ridder

Robots collaborate to deliver meds, supplies, and even drinks - 2 views

phys.org/...8-robots-collaborate-meds.html

AI technology robots

shared by Nina Nadine Ridder on 11 Aug 15 - No Cached
  • Nina Nadine Ridder on 11 Aug 15
     
    At the recent Robotics Science and Systems (RSS) conference, a CSAIL team presented a new system of three robots that can work together to deliver items quickly, accurately and, perhaps most importantly, in unpredictable environments. The team says its models could extend to a variety of other applications, including hospitals, disaster situations, and even restaurants and bars.
Juxi Leitner

Technology Review: Blogs: Guest Blog: Microrobotics Competition Shows Impressive Feats - 1 views

www.technologyreview.com/...25259

micromotors robotics technology

shared by Juxi Leitner on 14 Jun 10 - Cached
LeopoldS liked it
  • the world's best robotics engineers gathered to attempt some of the most impressive feats of micro-manipulation.
pacome delva

How Acupuncture Pierces Chronic Pain - ScienceNOW - 0 views

news.sciencemag.org/...puncture-pierces-chronic-.html

medecine bio acupuncture

shared by pacome delva on 01 Jun 10 - Cached
  • Millions of people worldwide use acupuncture to ease a variety of painful conditions, but it’s still not clear how the ancient treatment works. Now a new study of mice shows that insertion of an acupuncture needle activates nearby pain-suppressing receptors. What’s more, a compound that boosts the response of those receptors increases pain relief—a finding that could one day lead to drugs that enhance the effectiveness of acupuncture in people.
pacome delva

Royal Society Fellows Question Body's Climate Change Statements - 1 views

news.sciencemag.org/...ociety-fellows-question-b.html

phy environment global_warming climate_change climato_sceptics

shared by pacome delva on 01 Jun 10 - Cached
  • The Royal Society has released a statement acknowledging that its climate guide is being updated and noting: "The new guide has been planned for some time but was given added impetus by concerns raised by a small group of Fellows of the Society that older documents designed to challenge some of the common misrepresentations of the science were too narrow in their focus."
  • pacome delva on 01 Jun 10
     
    The "climatosceptics" are more and more powerful, in France it's crazy how much they are in newspaper and television... Before it was fancy to fear the global warming, now it's fancy to fight the "dictat" of the Science, as if Science was a religion with its dogma !
Francesco Biscani

Slashdot Developers Story | GCC Moving To Use C++ Instead of C - 1 views

developers.slashdot.org/...C-Moving-To-Use-C-Instead-of-C

inf

shared by Francesco Biscani on 01 Jun 10 - Cached
  • Ma Ru on 01 Jun 10
     
    "there is a call for a volunteer to develop the C++ coding standards" Go for it! :-)
  • Francesco Biscani on 01 Jun 10
     
    Of course, the golden PaGMO coding standard! :)
Francesco Biscani

Hints of Life Found On Saturn's Moon Titan - 1 views

science.slashdot.org/...fe-Found-On-Saturns-Moon-Titan

bio

shared by Francesco Biscani on 05 Jun 10 - Cached
  • Ma Ru on 05 Jun 10
     
    "... although non-biological chemical reactions could also be behind the observations." Come on, everyone knows life is flourishing on Europa, not Titan.
pacome delva

Rough Life for Asteroid Lutetia - 2 views

news.sciencemag.org/...shot-rough-life-for-aster.html

phy asteroids astrophysics rosetta

shared by pacome delva on 12 Jul 10 - Cached
  • Ma Ru on 12 Jul 10
     
    The pics were also published on ESA website few days ago.
  • Christos Ampatzis on 13 Jul 10
     
    Fake! They are made with PANGU.
pacome delva

Background checking at LHC - 1 views

physics.aps.org/...PhysRevLett.105.022002

phy lhc particles

shared by pacome delva on 12 Jul 10 - Cached
  • pacome delva on 12 Jul 10
     
    and the race begins !
  • Ma Ru on 12 Jul 10
     
    "more than 2000 authors from 166 institutions in 38 countries"... I want to see their papers :-)
pacome delva

Sensitivity training for LISA - 1 views

physics.aps.org/...PhysRevLett.104.211103

phy time_delay_interferometry LISA

shared by pacome delva on 08 Jun 10 - Cached
  • De Vine and colleagues therefore designed a laboratory scale version of LISA and showed they were able to suppress two potentially damaging noise sources: phase fluctuations in the clocks that synchronize the measurements and frequency fluctuations in the lasers.
  • pacome delva on 08 Jun 10
     
    good news for LISA...!
pacome delva

Flights of fancy - 1 views

physics.aps.org/...PhysRevLett.104.220502

phy bio birds magnetic_field

shared by pacome delva on 08 Jun 10 - Cached
  • Could quantum entanglement help a flock of birds fly south for the winter? A team of scientists at the Akademie der Wissenschaften and the Universität Innsbruck, both in Austria, is looking at how concepts central to the field of quantum information—entanglement and coherence—play a role in the chemistry of magnetodetection that animals use for navigation.
Juxi Leitner

Obama declares war on space junk - space - 29 June 2010 - New Scientist - 2 views

www.newscientist.com/...eclares-war-on-space-junk.html

space science technology debris removal policy

shared by Juxi Leitner on 30 Jun 10 - Cached
LeopoldS liked it
  • The US will also fund research into cleaning up the space junk that's already there.
  • Obama administration also calls for research into technologies that could remove space debris already in orbit, such as laser tractor beams.
pacome delva

Planets 'Sing' in Three-Part Harmony - 0 views

news.sciencemag.org/...shot-planets-sing-in-thre.html

celestial_mechanics extrasolar_planets resonance

shared by pacome delva on 05 Jul 10 - Cached
  • this is the first three-planet resonance ever seen.
  • The three planets are in a 4:2:1 resonance: the innermost giant completes four orbits in the time the middle one completes two and the newfound outermost world completes one.
  • pacome delva on 05 Jul 10
     
    for Francesco!
pacome delva

Physics - Electronics without solids - 0 views

physics.aps.org/...PhysRevLett.103.140405

phy atomtronics cold_atoms

shared by pacome delva on 01 Oct 09 - Cached
  • The idea is to someday use such a circuit to study basic many-body physics in a completely controlled and adjustable system, without the messiness of crystal defects or impurities found in real semiconductors.
pacome delva

The Consequences of a Boozy Youth -- Miller 2009 (921): 1 -- ScienceNOW - 0 views

sciencenow.sciencemag.org/...1

bio rats alcohol

shared by pacome delva on 28 Sep 09 - Cached
  • early alcohol use can cause lasting changes in behavior.
  • 3 months after their last drink, they always preferred the risky lever, even when they payoff was poor
pacome delva

Physics - Small-scale hydraulics - 1 views

physics.aps.org/...PhysRevLett.103.144503

phy nan nanofluidic bio

shared by pacome delva on 07 Oct 09 - Cached
  • Taking a cue from biology, scientists are now designing nanofluidic devices in which molecular interactions at the walls of a narrow channel are engineered to control fluid flow.
pacome delva

A New Way to Map the Universe - 0 views

news.sciencemag.org/...w-way-to-map-the-universe.html

phy astrophysics survey

shared by pacome delva on 22 Jul 10 - Cached
Nicholas Lan liked it
  • A new technique might soon enable cosmologists to map the universe even when they can't pick out individual galaxies. If it works, researchers would be able to probe the structure of 500 times as much of the universe as they have studied so far.
  • With a purpose-built radio telescope, the approach could map as much as 50% of the observable universe far faster and cheaper than galaxy surveys can, Loeb says.
  • Nicholas Lan on 22 Jul 10
     
    impressive
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