asteroza + cost   126

SolSource | Ultimate Solar Cookers for Cooking Anything Under The Sun
So, they apparently have a patent on a very low cost coating system to get those mirrors
solar  stove  cooking  parabolic  dish  low  cost  mirror  patent 
6 days ago by asteroza
"Economic advantages of dry-etched black silicon in passivated emitter " by Chiara Modanese, Hannu S. Laine et al.
Using a surface treatment on black multicrystalline silicon, net cost is lower than conventional silicon solar cells (10% less)
black  silicon  atomic  layer  deposition  solar  PV  cell  manufacturing  cost  materials  science  research  technology  multicrystalline 
september 2018 by asteroza
Cold Vapor Generation beyond the Input Solar Energy Limit - Song - - Advanced Science - Wiley Online Library
Interesting trick via orientation and materials choices, vapor is below ambient, allowing easy condensation collection
solar  water  distiller  distillation  purification  evaporator  low  cost  materials  science  research  technology 
may 2018 by asteroza
DEDAVE – Deep Diving AUV for Exploration
A cheaper AUV, designed using mass production automotive techniques. Notable is a CANbus internal network, rather than equipment specific wiring harnesses.
UUV  AUV  autonomous  underwater  drone  Fraunhofer  low  cost  CAN-bus  CANbus  Delicious 
february 2016 by asteroza
Nuclear Fuel Cycle Cost Calculator
Only applies to conventional light water nuclear reactors using normal fuel or MOX
nuclear  fuel  cycle  cost  calculator  LWR  PWR  Delicious 
june 2015 by asteroza
Brooklyn Aerodrome
Flack/Towel super low cost RC airplane kits
low  cost  RC  airplane  kit  DIY  hardware  electronics  devices  model  hobby  Delicious 
december 2014 by asteroza
PNNL Smartphone Microscope - Available Technologies - PNNL
PNNL putting out 3D printer files for their low cost spherical lens microscope attachment for smartphones.
plastic  sphere  spherical  lens  optics  smartphone  microscope  low  cost  3D  printing  fabbing  CAD  design  file  open  hardware  medicine  health  Delicious 
september 2014 by asteroza
Networks | Spaceflight Services
New low cost on demand small sat commercial ground station network/service
low  cost  ondemand  small  satellite  ground  station  network  service  radio  communication  Delicious 
august 2014 by asteroza
MatterFab | MatterFab
Allegedly a low cost metal printer. Seems to be DMLS?
low  cost  metal  3D  printer  fabber  printing  fabbing  Delicious 
july 2014 by asteroza
The Aragoscope: Ultra-High Resolution Optics at Low Cost
Some sort of spinoff from the researcher's MAXIM x-ray interferometer optics research for visible light? Complement/alternative to DARPA MOIRE project?
aragoscope  diffraction  limit  low  cost  large  size  aperture  telescope  optics  space  materials  science  research  technology  NIAC  NASA  Delicious 
june 2014 by asteroza
[1403.1211] Foldscope: Origami-based paper microscope
Neat cheap folding microscope using spherical lens properties when near the eye to allow up to 2000x magnification
Foldscope  orgiami  spherical  lens  microscope  low  cost  medicine  health  hardware  Delicious 
march 2014 by asteroza
Welcome to Metalysis
Making a new low cost titanium powder for 3D printers, should bring the cost of titanium printed parts down a bit.
low  cost  titanium  metal  powder  3D  printing  fabbing  materials  science  research  technology  production  manufacturing  ingredients  Delicious 
december 2013 by asteroza
1211.5412v1.pdf (application/pdf Object)
Interesting chinese work on using EoL C-band transmitter GEO satellites that have drifted off-plane as a pseudo-GPS system with potentially equivalent performance to GPS at substantially lower cost. I assume there will also be a terrestrial repeater network, likely cellular tower based, for improvements in urban canyon environments. The interesting question is will any existing satellite operator be wiling to rent their EoL but still operable satellites, as this can be considered part of a military weapons and navigation system potentially. The alternative is chinese GEO sats having the capability baked in to improve usefulness at EoL. They only need 4 SIGSO sats and 2 GEO sats for the minimum constellation, ostensibly covering mainland china.
cost  low  system  position  terrestrial  navigation  recycling  reuse  satellite  GEO  SIGSO  CAPS  COMPASS  china  Delicious 
november 2012 by asteroza
Super low cost car rental service, that uses gas stations as franchise locations for car pickup, and have low costs due to franchisees using 5+ year old cars and doing their own maintennace at the gas station as well as washing the cars at the car wash machine most gas stations have.
service  car  rental  cost  low  japan  Delicious 
september 2012 by asteroza
Photovoltaics from Any Semiconductor « Berkeley Lab News Center
New technique allows solar cells made from inexpensive semiconductors without doping, only electrode/gate deposition steps. See also
low  cost  semiconductor  photovoltaic  PV  solar  cell  materials  science  research  technology  green  energy  SFPV  field  effect  Delicious 
august 2012 by asteroza
Deconstructing anti-nuclear economic myths - a response to Veronique de Rugy
Interesting LCoE information, but the solar pricing isn't fair, since the range for solar PV is $150-$330/MWhr, and if you want to show equal numbers, you should be showing the lower end of the range (assuming people are a bit more rational about putting solar PV where it works better). The solar thermal and offshore wind numbers are particularly high, but that's an engineering experience problem due to so few multi-MW class systems in operation, so better production should drop costs due to early learning curve benefits.
finance  LCoE  cost  capital  energy  power  nuclear  Delicious 
july 2012 by asteroza Minimum Cost Design for Space Operations eBook: Arthur Schnitt: Kindle Store
Effectively need 10x cost reduction to hit the steep part of market demand curves, since 3x gains can get eaten by ops costs.
book  minimum  cost  design  space  operation  ops  spacecraft  aerospace  costing  modeling  information  reference  Delicious 
june 2012 by asteroza
Halotechnics - Power through storage
Current solar salts are near 585C max. New eutectic salt can reach 700C with similar materials compatibility. They also have a new glass derivative with a depressed melt point of 400C (normal window glass is 600C) that can run up to 1200C. The glass based thermal storage seems to be intended for hot air aeroderivative turbines/combined cycle setups rather than just steam turbines. Claim low cost components of the eutectic salt, discovered using advanced automated chemical mixture analysis.
Halotechnics  low  cost  hybrid  high  temperature  molten  eutectic  salt  glass  bead  mixed  media  thermal  energy  storage  solar  green  Delicious 
march 2012 by asteroza
Ten solar cookers that work at night | News | Engineering for Change
Interesting design proposals for solar cookers that provide thermal storage for nightime cooking. Seems a few are using oil or molten salt thermal stores to provide steam heat.
heat  steam  hardware  cost  low  cooking  cooker  solar  storage  energy  thermal  Delicious 
february 2012 by asteroza
EPICSMRWhitePaperFinalcopy.pdf (application/pdf Object)
Interesting SMR paper, comparing SMR costs to LNG plants, and not comparing to GW level nuclear plants. They did not really cover process heat applications, which can be a big driver. There were some complaints that the costing didn't include exclusion zoning or issues regarding single site multi unit deployments, which people have suddenly gotten cold feet about due to Fukushima.
SMR  small  modular  nuclear  reactor  cost  economic  study  research  Delicious 
december 2011 by asteroza
A true bargain house - MIT News Office
The Pinwheel house prototype is apparently larger than the intended design, and changed the roof layout to use a translucent panel over the center courtyard to keep it weather protected and to convert the center into a general purpose room/space. Which makes the house design a little more interesting and functional in my opinion, but I can understand the original design intention of using a single standardized module, yielding 4 matched roofs and a center open hole.
MIT  1K  pinwheel  low  cost  house  home  building  construction  architecture  Delicious 
september 2011 by asteroza
qureshi_09.pdf (application/pdf Object)
Having a regional scale cloud platform be time/location energy cost aware can reduce total costs, if you can shift workloads to cheaper energy zones. Though that requires the power utilities to provide electricity to datacenters at spot prices on a fairly fine time scale.
research  cloud  computing  location  temporal  time  dependent  cost  calculation  reduction  distribution  workload  shift  Delicious 
september 2011 by asteroza
Revolutionary radiation-sensitive plastic (trademark "Scintirex") with a performance superior to plastic scintillators used for measuring radiation and enabling a major reduction in production costs : NIRS
Sintirex is a recycled PET plastic based plastic scintillator, which basically means the chunk of plastic glows in the dark if hit by radiation. So you put it in a sealed case with a simple optical sensor like a cheap CCD to make a crude but effective low cost radiation detector. Apparently it should be possible to make portable detectors that currently cost $500 for around $100 or less now.
japan  materials  science  research  technology  recycled  PET  plastic  scintillator  Sintirex  radiation  sensitive  flourescent  flourescence  low  cost  detector  sensor  Delicious 
august 2011 by asteroza
US version of the japanese company that does book scanning services cheap. They use destructive book scanning techniques though.
bookscan  US  book  scanning  service  low  cost  destructive  scan  ebook  PDF  Delicious 
august 2011 by asteroza
BOOKSCAN(ブックスキャン) 本・蔵書電子書籍化サービス - 大和印刷
Low cost book scanning service, though they use destructive techniques on the books to ensure high accuracy/throughput.
japan  bookscan  low  cost  destructive  book  scanning  service  ebook  PDF  Delicious 
august 2011 by asteroza
Power IT Lab - FNET
If smart meters have FNET style hardware, it gives a much better view of the grid, at potentially much lower cost and scalability. Is there going to be this oddball convergence of home DSL/fiber optic modem routers, GSM femtocells, and FNET power sensors?
FNET  low  cost  networked  frequency  disturbance  recorder  hardware  power  electricity  quality  sensor  grid  smartgrid  smartmeter  measurement  electronics  devices  statistics  analytics  metrics  Delicious 
april 2011 by asteroza
Skype launches WiFi hotspot operator partnership program with leading WiFi providers - About Skype
Skype does something interesting. Now if they could squeeze this onto the iPhone client, life would be good.
Skype  Access  low  cost  free  wifi  hotspot  service  Fon  Delicious 
february 2011 by asteroza
20 KWh per carat? Interesting statistics regarding synthetic diamond versus natural diamond regarding CO2 emissions and whatnot. Though, carat size synthetic diamonds are not common...
synthetic  diamond  CO2  emissions  green  ecosystem  impact  cost  Delicious 
july 2010 by asteroza - Weather-tight, Stand-Alone Video Projector - Home
A seriously ghetto low cost video projector. Too bad they don't assemble it into a quad array to get higher resolution...
low  cost  QVGA  video  projector  DIVX  AVI  USB  Delicious 
march 2010 by asteroza
TCASE 4: Energy system build rates and material inputs «
running some numbers of global powerplant constructions needs by material supply only...
TCASE  powerplant  buildout  rate  comparison  materials  cost  Delicious 
october 2009 by asteroza
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