asteroza + gold   29

In situ tribochemical formation of self-lubricating diamond-like carbon films - ScienceDirect
So rubbing palladium-gold alloys in teh presence of carbon containing stuff makes very slippery diamond-like carbon films without an expensive plasma furnace, and might be suitable for mass production use
palladium  gold  nanoparticle  amorphous  diamond  carbon  film  nanocomposite  lubricant  materials  science  research  technology  tribochemical  production  process 
august 2018 by asteroza
Home | GLINT - The Global Gold Currency
Bringing back gold as an e-currency for the modern era, maybe
fintech  gold  credit  debit  card  iOS  UK  EU  europe 
december 2017 by asteroza
High hardness in the biocompatible intermetallic compound β-Ti3Au | Science Adva...
Apparently very high temperature prepared titanium gold alloy has a beta crystal type that is tremendously hard.
beta  crystal  titanium  gold  metal  alloy  high  hardness  materials  science  research  technology  Delicious 
july 2016 by asteroza
Catalytically active Au-O(OH)x- species stabilized by alkali ions on zeolites and mesoporous oxides
single atom gold particles supported by alkali ions seem to work pretty well as a active catalyst site for a water-gas shift reaction, making hydrogen production cheaper/easier
gold  water  gas  shift  reaction  catalyst  hydrogen  production  materials  science  chemistry  research  technology  Delicious 
january 2015 by asteroza
eLux Medical NanoLipo
Still in animal trials, using gold nanoparticle injections that resonate when exposed to near-IR, one can melt/liquify fat directly without excessively damaging surrounding tissue, then suck that out via conventional liposuction needle. This would be lower temperature than existing external laser liposuction, where they try to liquify near surface fat cells with a near-IR laser array held against the skin.
health  medicine  cosmetic  surgery  gold  nanoparticle  IR  fat  melting  liposuction  NanoLipo  Delicious 
june 2014 by asteroza
OpenSSL Valhalla Rampage
Picking up LibreSSL commit comments as Theo&OpenBSD ravage the OpenSSL codebase of unsupported platforms and codebase cobwebs/cruft.
humor  OpenSSL  LibreSSL  commit  comments  tumblr  comedy  gold  Delicious 
april 2014 by asteroza
Aberration-Free Ultrathin Flat Lenses and Axicons at Telecom Wavelengths Based on Plasmonic Metasurfaces - Nano Letters (ACS Publications)
New trick, using gold nanoantennas embedded in thin film silicon to turn a flat sheet into a near diffraction limited optical lens. Wide bandwidth too. Applicable for IR. Usable for large aperture beam expanders for a long range laser? But the demo seems to be a 1cm lens, and they are only seeing 1-10% efficiency.
film  thin  array  plasmonics  axicon  discontinuity  phase  planar  nanoantenna  gold  embedded  nanotechnology  technology  research  science  materials  physics  optics  metasurface  plasmonic  lens  flat  Delicious 
august 2012 by asteroza
Cinnamon can replace harmful chemicals used to create nanoparticles
I wonder what other surprisingly simple nanomaterial manufacturing methods exist? Wasn't there a thing about carbon nanotube composites being easily made with sticky tape?
gold  nanoparticle  production  manufacturing  materials  science  research  technology  engineering  nanotechnology  simple  nanomaterial  Delicious 
december 2010 by asteroza
A 'Copper Standard' for the world's currency system? - Telegraph
Now this is interesting. People had noticed in the past China's aggressive natural resource collection and mining push in Africa and elsewhere. Most people understood this as a form of economic colonialism and resource supply security. Now it appears there is a financial aspect as well, using metals commodities to try to extricate themselves from the dollar and US treasury bonds without directly causing a currency crisis and being beyond reproach by the US. The keynesian Bancor currency standard based on a 30+ commodity basket is interesting as well, especially if the commodity basket is skewed towards commodities that would fundamentally favor China.
china  finance  commodities  copper  rare  metal  economics  currency  dollar  yuan  Bancor  US  bonds  treasury  trade  surplus  reserves  gold  standard  Delicious 
april 2009 by asteroza
Next Big Future: Direct conversion of radiation into electricity using carbon nanotubes and a separate new approach to thermoelectrics
A direct nuclear radiation to electricity conversion cycle, using tiles covered in gold, and filled with a carbon nanotube and lithium hydride matrix. I think the carbon nanotubes are the conductors, I think.
direct  nuclear  radiation  electricity  conversion  cycle  gold  lithium  hydride  carbon  nanotube  tile  power  generator  green  energy  Delicious 
april 2009 by asteroza
LLNL spinoff working on a nanotube based energy converter, taking any stream of charged particles (so not actually nuclear source limited). and seems to be a beta/gamma radiation decay power converter?
nuclear  power  generator  direct  radiation  electricity  conversion  converter  gold  lithium  hydride  carbon  nanotube  tile  alternative  thermoelectric  materials  research  technology  radioisotope 
march 2008 by asteroza

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