asteroza + area   59

Enabling Covert Body Area Network using Electro-Quasistatic Human Body Communication | Scientific Reports
Interesting body area network concept, but the range limits for an adversary depend a lot more on noise floor and antenna quality. Though I suppose this making it hard enough that someone normally needs to touch you to connect may be enough of a security hurdle...
electroquasistatic  human  body  communications  EQS-HBC  BAN  area  network  low  power  hardware  electronics  devices  networking  medicine  health  security 
march 2019 by asteroza
Area Code Changes
useful for looking up which new area codes will exist, for choosing a google voice number that has no bad history.
north  america  telephone  area  code  change  list  listing  reference  information  google  voice  number  selection  tips  tricks  Delicious 
july 2015 by asteroza
MOIRE development status
Looks like MOIRE has really come along, but still need to work on development.
MOIRE  diffraction  optics  large  area  membrane  research  space  telescope  technologgy  lens  DARPA  Delicious 
october 2014 by asteroza
DDM Systems LAMP
New 3D printer based investment casting technique. Cuts out 7 of 12 steps, possibly a faster alternative to 3D lost wax process. UV laser builds up powdered ceramic resin for cores and molds. Aiming for single crystal directionally solidified equiaxial nickel superalloy hollow turbine blade production.
lamp  large  area  photopolymerization  3D  printer  fabber  ceramic  lost  wax  investment  casting  laser  epitaxy  hardware  electronics  devices  metal  powder  Delicious 
september 2014 by asteroza
Interesting possible trick to increasing wave energy collection via increasing collector area
wave  energy  converter  WEC  carpet  wide  area  collector  fabric  deformable  plate  transducer  power  generator  ocean  marine  research  technology  Delicious 
february 2014 by asteroza
DisruptiveMaterials | Materials that matter
New high surface area carbonate that beats zeolites and seems easy to make. Also very good as a desiccant.
upsalite  magnesium  carbonate  surface  technology  nanostructure  hygroscopic  research  science  desiccant  area  materials  porous  high  nanoporous  microporous  pore  nanotechnology  sponge  Delicious 
august 2013 by asteroza
UConn Professor’s Patented Technique Key to New Solar Power Technology | UConn Today
Optical rectennas still need terahertz switching gear to be practical, but this is a good step toward advanced solar power using more wavelengths.
optical  rectenna  technology  selective  nanorectenna  layer  fabrication  solar  research  antenna  production  atomic  science  area  materials  deposition  generator  power  nanotechnology  Delicious 
february 2013 by asteroza
A regenerable oxide-based H2S adsorbent with nanofibrous morphology : Nature Nanotechnology : Nature Publishing Group
Possible new absorbent that might allow sulfur removal from natural gas or coal/biomass derived syngas without a cooling/liquid step (which normally complicates the process and introduces energy inefficiencies). This would make coal or biomass based syngas much more appealing, especially for advanced syngas combustion cycles that allow for easier carbon capture.
removal  sulphur  sulfer  biogas  syngas  nanotechnology  technology  research  science  materials  fiber  nanostructure  area  surface  reactivity  high  filtering  cleaning  processing  gas  sorbent  mat  nanofiber  oxide  titanium  zinc  adsorbent  H2S  sulfide  hydrogen  Delicious 
december 2012 by asteroza
SpotterRF - Compact Surveillance Radar for the Elite
Basically this is looking for RF emissions from radios as a means of identifying intruders on a perimeter. Radios includes cellphones too folks. Sorta mini-ECHELON, only signal detection, not analysis.
radar  surveillance  factor  form  small  tracking  protection  defense  area  monitoring  emission  RF  Delicious 
august 2012 by asteroza
Carbon Dioxide Capture from the Air Using a Polyamine Based Regenerable Solid Adsorbent - Journal of the American Chemical Society (ACS Publications)
Interesting low temperature PEI absorber design, depositing it on fumed silica to increase surface area for CO2 capture from atmospheric air. Low temps (85C) drive the Co2 back out, making absorber regeneration relatively simple.
polyethylenimine  PEI  polyamine  polymer  air  carbon  capture  CO2  fumed  silica  absorber  high  surface  area  Delicious 
january 2012 by asteroza
App that creates an embedded secure partition to isolate work apps/email/data. In theory allows a work/play divide on an otherwise personal phone. As to how safe it is, well, encrypted partition generally only provides you security for data at rest if implemented well, and various levels of security for data on teh move (when the secure partition is mounted). There's also the security issues between apps. Android may be UNIX multiuser, but it was designed fundamentally as a single GUI user/operator OS, with resulting design compromises. VMware's Horizon hypervisor setup is a slightly better security solution since that takes the OS out of the equation in theory...
enterproid  android  app  software  enterprise  business  device  security  remote  wipe  application  control  management  secure  partition  area  encryption  Delicious 
october 2011 by asteroza
Startseite - supa technology
Apparently a wide surface area wireless power spec, delivering 25W. Fujitsu had a CEBIT demo of a completely wireless LCD display, using SUPA for power and WUSB for an internal USB video card adapter.
SUPA  wireless  remote  power  transfer  standard  specification  large  area  Delicious 
march 2011 by asteroza
TCOM Home Page
These guys will be building the blue devil surveillance blimp for use in Afghanistan, which will be a super eye in the sky, coupled with an onboard server cluster to process data in realtime, and a wireless intelligence server onboard to feed only selected data to requests from the ground and in the air, rather than pumping everything offboard via a firehose data link.
blimp  aerostat  airship  surveillance  platform  aircraft  vehicle  military  sensor  transportation  flying  realtime  data  analysis  server  cluster  blue  devil  LEMV  hardware  electronics  wide  area  targeted  Delicious 
january 2011 by asteroza
Artificial Photosynthesis in Ranaspumin-2 Based Foam - Nano Letters (ACS Publications)
Using frog derived proteins coating a foam structure to produce sugar from water and CO2 directly, no cell or other structures involved. The foam is a high surface area structure to support the carbon fixation and sugar synthesis.
artifical  photosynthesis  enzyme  sugar  production  CO2  nanoscale  photophosphorylation  high  surface  area  foam  structure  protein  Ranaspumin-2  carbon  fixation  suger  synthesis  biofuel  green  energy  biomimicry  engineered  surfactant  Delicious 
march 2010 by asteroza
TASER Shockwave
It's like a reusable mostly non-lethal claymore mine!
taser  shockwave  area  denial  crowd  riot  control  weapon  nonlethal  defense  equipment  gear  fixed  Delicious 
august 2009 by asteroza

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