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Joris _

FASTSAT performing well; launch of small satellite coming next week | al.com - 0 views

blog.al.com/...at_performing_well_launch.html

MAD Space debris

shared by Joris _ on 29 Nov 10 - No Cached
  • Being able to launch a satellite from a satellite has numerous potential benefits to the military and scientists, but those benefits depend on the smaller satellite not hitting the mother ship when it launches and going where it needs to go.If the sail can deploy as planned to its 100-square-foot size - about as big as a six-person camping tent - and can guide the smaller satellite to its planned re-entry, it would also illustrate a new way to bring satellites back to Earth and reduce orbiting space junk.
Nina Nadine Ridder

Spaceflight Now | Breaking News | Military agency studying space garbage service - 5 views

www.spaceflightnow.com/...12debris

space_debris Catchers_Mitt

shared by Nina Nadine Ridder on 15 Dec 09 - Cached
  • Juxi Leitner on 15 Dec 09
     
    that Prof. Klinkrad that gave the space debris lecture here was there as far as I know (at the conference/meeting mentioned)
Luzi Bergamin

Power scattering and absorption mediated by cloak/anti-cloak interactions: A transforma... - 1 views

arxiv.org/1001.3000

phy nan metamaterials

shared by Luzi Bergamin on 20 Jan 10 - Cached
LeopoldS liked it
  • Luzi Bergamin on 20 Jan 10
     
    To keep you updated in the field of metamaterials. "Invisible sensors" are a hot topic at the moment. Of course, mainly due to military applications. Might be interesting to sense something while minimizing the perturbations due to the sensor.
  • Dario Izzo on 20 Jan 10
     
    And all seems to be allowed by transformation optics ..... mah
LeopoldS

Spaceflight Now | Atlas Launch Report | Air Force spaceplane is an odd bird with a twis... - 3 views

spaceflightnow.com/...100402x37update

spaceflight suborbital defence

shared by LeopoldS on 06 Apr 10 - Cached
  • LeopoldS on 06 Apr 10
     
    Juxi are you following this one? any idea on its purpose?
  • Ma Ru on 07 Apr 10
     
    Not that I'm an expert in the field in any way, but there are two things I could think of: 1) possibility of bringing the payload back means that it can collect huge amounts of data which wouldn't be possible to be transferred via radio in reasonable time and/or you can bring back data you don't want to be intercepted by enemy 2) I remember reading somewhere that possibility of re-entry from orbit means you can strike any country without violating the airspace of the neighbouring countries. As the project is now managed by military, a purely civil purpose can be safely ruled out in my opinion.
Joris _

DARPA Looking for Partner On Wireless Spacecraft Demo | SpaceNews.com - 1 views

www.spacenews.com/...-wireless-spacecraft-demo.html

darpa technology fractionned

shared by Joris _ on 27 Apr 10 - Cached
LeopoldS liked it
  • DARPA for several years has been working on a program dubbed System F6 that seeks to prove that a cluster of small spacecraft can perform the mission of a large spacecraft by communicating wirelessly with one another in space
  • DARPA plans to launch three dedicated System F6 spacecraft either to low Earth orbit or geostationary orbit in mid-2013 to 2014
  • semi-autonomous cluster reconfiguration
Juxi Leitner

DARPA Looking for Partner On Wireless Spacecraft Demo | SpaceNews.com - 1 views

spacenews.com/...-wireless-spacecraft-demo.html

fractionated spacecraft tech

shared by Juxi Leitner on 12 May 10 - Cached
  • DARPA will entertain proposals from all qualified sources, be they government, commercial, national or international, the posting said. Responses to the request for information are due May 17.
Luís F. Simões

Russian Physicists Solve Radio Black-Out Problem for Re-Entering Spacecraft  ... - 1 views

www.technologyreview.com/...26222

radio communications re-entry plasma military

shared by Luís F. Simões on 05 Jan 11 - No Cached
  • When spacecraft return to Earth, one of the tensest parts of the mission is the radio black out that occurs as the vehicle re-enters the atmosphere. Travelling at hypersonic speeds of between Mach 8 and 15, the spacecraft heats and breaks down molecules in the atmosphere causing a plasma to form. It is this plasma sheath that prevents radio communication.
  • Ref: arxiv.org/abs/0704.3103: Communication Through Plasma Sheaths
Joris _

Let's Reconstitute Humans From Genomes Launched Into Space! and Other Ambitious Proposa... - 0 views

www.popsci.com/...military-and-public-darpa-says

technology darpa

shared by Joris _ on 17 Jun 11 - No Cached
  • Fragmented human genomes could be shipped toward the stars and reconstructed upon their arrival,
  • to spur the monumental technology advances that would be required for such a feat. So the 100-Year Starship is more like a thought experiment than a construction project.
  • “The crux, to us, is inspiration of research — not just in solving the physics-based problems. It’s across all of the domains
  • Joris _ on 17 Jun 11
     
    disruptive!
Juxi Leitner

Rogue satellites to be cleared from Earth's orbit by German robots | Science | The Obse... - 1 views

www.guardian.co.uk/...-robots-clear-rogue-satellites

satellites orbital debris security technology

shared by Juxi Leitner on 14 Oct 09 - Cached
  • Their robots will dock with failing satellites to carry out repairs or push them into "graveyard orbits", freeing vital space in geostationary orbit.
  • meant that the German robots will be "ready to be used on any satellite, whether it's designed to be docked or not".
  • Juxi Leitner on 14 Oct 09
     
    I am not sure the military will like this...
Juxi Leitner

BBC NEWS | Science & Environment | Military robot 'hops' over walls - 0 views

news.bbc.co.uk/...8253807.stm

hopping robots

shared by Juxi Leitner on 16 Sep 09 - Cached
  • Video footage has been released of a robot that can leap over obstacles more than 7.5m (25ft) high.
ESA ACT

Obama Moves to Counter China With Pentagon-NASA Link - 0 views

www.bloomberg.com/...news

policy politics china Moon military Exploration nasa

shared by ESA ACT on 24 Apr 09 - Cached
  • ESA ACT on 24 Apr 09
     
    interesting article - a lot of speculation though ...
jcunha

Brain's reaction to virtual reality should prompt further study, suggests new research - 2 views

medicalxpress.com/...on-virtual-reality-prompt.html

BIO technology science

shared by jcunha on 25 Nov 14 - No Cached
  • jcunha on 25 Nov 14
     
    "Neuroscience UCLA neurophysicists have found that space-mapping neurons in the brain react differently to virtual reality than they do to real-world environments. Their findings could be significant for people who use virtual reality for gaming, military, commercial, scientific or other purposes." I wonder if we are doing it wrong with the airplane pilot simulators...
LeopoldS

Boeing Patents a Force Field System to Block Explosions - 2 views

thenextweb.com/...itary-vehicles-from-explosions

laser filamentation

shared by LeopoldS on 23 Mar 15 - No Cached
  • LeopoldS on 23 Mar 15
     
    looks like an application of laser filamentation ...
Daniel Hennes

NASA Funds Electricity-Harvesting Robotic Space Eel With Explosive Jet Thrusters and El... - 3 views

spectrum.ieee.org/...y-harvesting-robotic-space-eel

shared by Daniel Hennes on 19 May 15 - No Cached
  • Daniel Hennes on 19 May 15
     
    This concept for a "soft-robotic rover with electrodynamic power scavenging" comes from Cornell University, and NASA has awarded it a grant under the NASA Innovative Advanced Concepts (NIAC) program to hoist itself up from TRL 1 to TRL 2.
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