asteroza + plastic   92

Fabrication of polymeric lenses using magnetic liquid molds: Applied Physics Letters: Vol 114, No 20
Effectively using a ferromagnetic-style formable liquid to make a custom mold for lens, rather than paying a bundle for a custom lens mold from tool steel.
magnetic  droplet  liquid  mold  plastic  polymer  lens  fabrication  optics  materials  science  manufacturing  research  technology 
june 2019 by asteroza
Joining gun bonds metal and plastic within seconds
Adheasiveless, rivetless joining of plastic and metal, by laser etching tiny holes at the joint position in the metal, fast melting the plastic into the holes, then cooling the plastic so that it grabs the holes.
plastic  metal  bond  joint  Fraunhofer  materials  science  manufacturing  research 
february 2019 by asteroza
$0.01 Flexible Plastic ARM Processor by PragmatIC - YouTube
PlasticARM is a FlexIC based ARM Cortex M0 based SoC on a flexible plastic (substrate?)
flexible  PCB  plastic  film  hardware  electronics  devices  CPU  ARM  SoC  circuit 
december 2018 by asteroza
Structural and functional studies of a Fusarium oxysporum cutinase with polyethylene terephthalate modification potential. - PubMed - NCBI
This is the original japanese bacteria found at a waste dump that had evolved to eat PET plastic waste. The enzyme that enabled this was recently further isolated and refined.
PET  plastic  waste  enzyme  biology  chemistry  research  technology 
april 2018 by asteroza
Engineering a plastic-eating enzyme
Isolated a japanese bacteria's plastic eating enzyme, and accidentally made it more powerful.

DOI link is busted
PET  enzyme  biology  materials  science  chemistry  research  technology  plastic  waste 
april 2018 by asteroza
Using carbon laced 3D printed plastic and a pinpoint microwave that heats the carbon to spot weld plastic stuff together, similar to ultrasonic welding?
3D  printing  fabbing  microwave  plastic  welding  joining  manufacturing  research  technology 
july 2017 by asteroza
Insolight – Making solar energy affordable
Smart idea, using microlens plastic plate over CPV solar cells in a grid pattern under the plate, then shift the plate a little bit to track the sun. So basically you could do an artificial muscle actuator or MEMS to shift the plate, rather than some gigantic tracking heliograph CPV setup. Plate shift still limits tracking angles, but the cost is much cheaper.
CPV  plastic  microlens  plate  sun  tracking  concentrating  solar  cell  power  generator  Delicious 
september 2016 by asteroza
Simple Y adapter for PET bottles that makes a simple lifesaving buoy.
wye  adapter  PET  bottle  cap  floating  buoy  plastic  hardware  boat  yacht  Delicious 
august 2016 by asteroza
Evidence of Polyethylene Biodegradation by Bacterial Strains from the Guts of Plastic-Eating Waxworms - Environmental Science & Technology (ACS Publications)
Normally, animals don't do too well with eating plastic. But these worms sorta can via gut bacteria. Adaptation to eating through food packaging?
polyethylene  eating  bacteria  biology  research  biodegredation  plastic  waxworm  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
Game of Drones - If it flies, it fights
Tough unbreakable acrylic frame UAV, though that means the force of impact ends up getting absorbed by something else that will break...
acrylic  plastic  airframe  frame  quadcopter  helicopter  UAV  drone  durability  hardware  electronics  devices  Delicious 
june 2014 by asteroza
Floating Island Southeast
Interesting artificial bioremediation platform, using recycled plastic and foam to make essentially hydroponic mounts for plants, which free float in lake or river water. The plants pierce the matting, with roots dangling below, offering bioremediation of local water.
BioHaven  artificial  island  platform  plant  mount  bioremediation  plastic  foam  recycling  Delicious 
september 2012 by asteroza
UA Engineering Professor Uses Aerospace Materials to Build Endless Green Pipeline
Hrm, manufacturing method is actually EXTREMELY similar to Lockheed's OTEC CWP continuous pipe maker technology. The difference may be Lockheed's pipe maker uses a laminate fabric laydown process that follows the pipe axis, while this seems to do a possibly continuous spiral wrap. Hard to tell.
QuakeWrap  InfinitPipe  carbon  fiber  reinforced  FRP  plastic  honeycomb  core  filler  laminate  continuous  endless  production  pipe  research  development  technology  Delicious 
august 2012 by asteroza
Black-Ops Plastics - Qwonn Security Products
Some sort of IR translucent plastic, useful for concealing black and white surveillance cameras.
hardware  shell  housing  camera  surveillance  plastic  translucent  IR  Delicious 
july 2012 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
株式会社ブレスト-製品情報 廃プラスチック油化装置-
Neat little thing makes oil from plastic. So as a plastic trash recycler/reclaimer it reduces overall trash size.
japan  plastic  bag  hydrocarbon  oil  converter  recovery  green  energy  recycling  trash  reduction  Delicious 
february 2011 by asteroza
CO2 could be used in 'green' plastic production
Use supercritical CO2 to impregnate plastics with dyes, UV resistance, and antibacterial properties
Fraunhofer  supercritical  CO2  plastic  dye  insertion  impregnation  treatment  materials  science  research  technology  surface  Delicious 
january 2011 by asteroza
Oceans of plastic
Okay, the idea is attractive, but collecting all the microscopic trash plastic particles without killing off huge amounts of local life will be hard. Any driftnet approach will kill all animals collected by design unfortunately.
pacific  plastic  garbage  patch  vortex  gyre  collection  recycling  artificial  island  marine  ocean  engineering  structure  concept  design  green  Delicious 
july 2010 by asteroza
Vac from the Sea
Nice little PR campaign. But the seed for thought is, large tuna fishing fleets are increasingly unsustainable due to reduced catches. Retrofit the fleets for recovering plastic from the great pacific garbage gyre would be a huge PR move. I'm looking at you Japan.
ocean  garbage  patch  plastic  recovery  recycling  green  sustainability  europe  sweden  Delicious 
june 2010 by asteroza
100202.pdf (application/pdf Object)
Kaneka has been busy with graphite based thermally conductive yet electrically insulating plastics, with one type getting 300% performance over copper for thermal conductivity (though it's not obvious if the 300% material is electrically insulating)
Kaneka  electrically  insulating  electrical  insulator  thermally  conductive  thermal  filler  graphite  polyester  polymer  PET  resin  Hyperite  plastic  japan  materials  science  research  technology  filetype:pdf  media:document  Delicious 
march 2010 by asteroza
Tying up with Kodak to access their chemical reactor tech. Current process uses only 50% of the petroleum necessary to produce PPC precursor plastics. Aim is 100% production using only CO2.
Novomer  Kodak  CO2  carbon  conversion  precursor  plastic  PPC  materials  science  research  technology  process  catalyst  cleantech  recycling  green  sustainability  energy  Delicious 
december 2009 by asteroza
Uponor - Uponor Homepage
Aqua-PEX burst resistant flexible plastic tubing. Apparently a suitable alternative to copper pipe in concrete slabs for radiant heating in freezing conditions, as the flexibility can absorb the expansion of water freezing in the pipe should the radiant heat source fail. Well, probably.
Aqua-PEX  flexible  plastic  pipe  tube  plumbing  home  construction  Radiant  heating  cooling  hvac  flooring  architecture  house  design  burst  resistant  Delicious 
august 2009 by asteroza
welsom_isdc_reed.pdf (application/pdf Object)
Interesting arguement that a SPS demonstrator can be built now with COTS/near COTS hardware, taking advantage of mass production of terrestrial products to reduce costs. The primary tricks being accepting losses in efficiency and overcoming it by reducing system mass, so the actual W/Kg is still higher. Thin film solar, carbon fiber booms, thin film inflatable reflectors and optics, power equipment mass reductions, and lower cost space access (SpaceX) are the COTS components that make at least the demonstrator possible. There is the interesting talk of making sure most technology/products are dual use, such as wireless power transmission to HALE LTA UAV sensor blimps to offload payload power requirements.
green  energy  power  generator  plastic  infrastructure  space  carbon  solar  film  thin  SBSP  SPS  CFRP  fiber  reinforced  boom  wireless  transmission  WPT  microwave  laser  COTS  hardware  electronics  devices  materials  science  research  technology  fil  cell  filetype:pdf  media:document  Delicious 
february 2009 by asteroza
Cool Earth Solar: Reshaping Solar Energy
Hrm, I wonder if you could make an oversized air inflated structure to support long rows of these things in an airborne pattern, like a giant inflatable wall..
technology  green  energy  power  generator  plastic  solar  concentrator  aluminum  film  inflatable  concentrating  reflector  thin  cool  balloon  earth  CSP  pet  recyclable  Delicious 
february 2009 by asteroza
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