asteroza + droplet   18

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
infinite-cooling
This is borderline cooling version of a perpetual energy generator, but this is an interesting take on fog net concepts. By lightly ionizing the fog and the capture mesh/net, you can get fog droplets to condense better on the net and exceed normal fog nets (which capture 1-3% of passing droplets).
cooling  tower  fog  net  mesh  droplet  capture  ion  ionizing  water  vapor  electrostatic  space  charge  collection 
june 2018 by asteroza
Vader Systems | Experience. Revolution. Now.
Basically magnetic induction metal FDM, with improved bulk properties by avoiding unmelted metal or voids.
3D  printing  fabbing  printer  fabber  metal  droplet  magnetic  induction  pulse  nozzle  liquid  materials  science  manufacturing  research  technology  Delicious 
january 2017 by asteroza
SIJTechnology – 超微細インクジェット、ピエゾ方式インクジェット、コーティング装置などの塗布技術による、超微細パターニングやコーティング技術をご提...
Appears to use metal nanoparticles in a liquid droplet inkjet process. Metal nanoparticles can apparently melt at room temperature, so this printer operates in ambient atmosphere/temperature
japan  metal  3D  printer  fabber  inkjet  nanoparticle  picoliter  droplet  conductive  ink  Delicious 
december 2016 by asteroza
Vader Systems
Using a ceramic MHD printhead to melt metals on demand. Current demo is a 400 micron orifice for droplets, trying to go to 50 microns.
3D  printing  fabbing  printer  fabber  liquid  metal  jet  LMJP  aluminum  hardware  electronics  devices  droplet  Delicious 
june 2014 by asteroza
SPRAY TURBINES TO INCREASE RAIN BY ENHANCED EVAPORATION FROM THE SEA
Turns out ocean surface layer humidity made this not work as a rain maker, but the interesting takeaway is the inductively charged electrospray method for generating fine water droplets. "The device consists of an anodized titanium spring half-embedded lengthwise in a rubber block, with the fluid passing through the spring so that the gaps between turns of the spring form spray nozzles. The diameter of these nozzles can be collectively adjusted by stretching the spring and its rubber matrix . Insulated conductors at high voltage run alongside the spring, and the droplets are thus charged by induction as they pass by the wires, resulting in a finer spray and better dispersion as well as making the droplets attract neutrally charged particles such as particulate pollution. The droplet size is also controlled by a ~1MHz ultrasonic input." This can be used for things like trying to capture airborne particulates in smoggy areas. By the "Salter's Duck" wave power generator dude too.
darrieus  turbine  water  pump  fine  spray  inductive  charged  droplet  electrospray  research  technology  Delicious 
january 2014 by asteroza
Laser-assisted water condensation could be used to create rainfall | Mail Online
Interesting use of lasers to cause pseudo-natural nitric acid droplet formation in the atmosphere as a cloud seed trigger. I wonder what the frequencies are to do this...
laser  induced  nitric  acid  droplet  cloud  seeding  artificial  rain  geoengineering  terraforming  Delicious 
september 2011 by asteroza

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