asteroza + magnetic   143

Exotic superconducting state lurks at an astonishingly high magnetic field
High magnetic field tolerant superconductivity? But currently only with a low temperature superconductor.
materials  science  research  technology  reentrant  superconductor  high  magnetic  field  uranium  telluride 
7 weeks ago by asteroza
OSA | Study of W/HfO2 grating selective thermal emitters for thermophotovoltaic applications
Interesting, tungsten with a hafnium oxide grating over it has highly selective IR emittance, making it well matched for gallium based TPV cells
tungsten  emitter  hafnium  oxide  transverse  magnetic  polarization  surface  plasmon  shaping  IR  TPV  cell  matching  power  generator  materials  science  research  technology 
august 2019 by asteroza
Home - Linear Labs
Interesting design features, with no gear reduction box (so effectively no transmission) due to various tricks.
3D  circumferential  flux  exterior  permanent  magnet  electric  motor  magnetic  torque  tunnel  research  technology 
august 2019 by asteroza
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
Bmax | Magnetic Pulse Welding
Alternative to explosive welding and more repeatable/controllable
magnetic  pulse  welding  metalcraft  manufacturing  production  research  technology 
may 2019 by asteroza - Home
Here's the startup commercializing the MRegen magnetic muscle stimulator
MRegen  muscle  stimulator  exercise  alternative  health  medicine  noninvasive  magnetic  field 
february 2019 by asteroza
Home - 24M
Using mag fields to align magnetic nanoparticles in an electrode to improve electron paths, for higher peak battery output.
materials  science  research  technology  battery  energy  storage  lithium  ion  magnetic  nanoparticle  alignment  electrode  electron  path  management  peak  discharge 
october 2018 by asteroza
Advanced Hybrid
some sort of magnetic gearbox, so effectively a CVT?
magnetic  gearbox  CVT  transmission 
may 2018 by asteroza
GLOBAL ENERGY TRANSMISSION – Making our wireless energy transmission breakthrough a reality
Some sort of resonant coupling type wireless power transmission, relying on a long-ish receiver antenna to allow a 20m charge range?
magnetic  resonant  resonance  coupling  wireless  power  transmission  WPT  UAV  drone  recharger  charger  remote  hardware  electronics  devices 
march 2018 by asteroza
Correlated Magnetics
going beyond the design for halbach arrays, custom magnetic fields that create latching/alignment movement along with pushback
programmable  magnet  polymagnet  latch  mount  magnetic  alignment  smart 
june 2017 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
ELIX – Revolutionary Wireless Power Transfer
10Kw per pair, though this effectively is a magnetic clutch/transmission in practice.
magnetic  drive  coupling  wireless  power  transfer  WPT  charger  recharger  charging  recharging  research  technology  Delicious 
august 2016 by asteroza
Magnetic Refrigeration System - Cooltech Applications
Fluidless, but not really solid state it seems (some sort of rotating wheel)
magnetic  refridgeration  cooling  Delicious 
june 2016 by asteroza
Magnetic hyperbolic optical metamaterials : Nature Communications : Nature Publishing Group
New metamaterial allows conversion of wideband IR into enhanced narrowband IR, suitable for TPV and atmospheric heat rejection to space.
magnetic  hyperbolic  dispersion  metamaterial  materials  science  research  technology  nanotechnology  lens  filter  frequency  concentrator  IR  TPV  thermophotovoltaic  converter  narrowband  emitter  Delicious 
april 2016 by asteroza
Preorder Snap Flying Camera from Vantage Robotics
Interesting structural concept, using magnets to secure the rotor cages as a subassembly that can safely break apart during a crash landing, but the weight of the permenet magnets might be troublesome...
snap  quadcopter  multicopter  UAV  drone  magnetic  body  structure  hardware  electronics  devices  Delicious 
september 2015 by asteroza
ORB 3D Printer
Interesting trick of using metal flake impregnated filament to improve heating and allow magnetic manipulation.
3D  printer  fabber  rotating  spinning  build  platform  metal  flake  magnetic  filament  Delicious 
january 2015 by asteroza
Long-Distance Transfer and Routing of Static Magnetic Fields
Using an alternating layers of ferromagnetics and superconductors, the researchers made a tube that can transport mag fields around.
magnetic  hose  long  distance  field  routing  transfer  physics  research  technology  superconductor.  Delicious  superconductor 
july 2014 by asteroza
Magnetic Gears | Technology | Magnomatics
Interesting contactless magnetic gear transmission (for low ratios anyways)
non-contact  contactless  gear  transmission  magnetic  Delicious 
april 2014 by asteroza
Loop | Simplify, Organize and Use Your Phone to Pay
Hrm, this seems to use a magnetic field projection device to trick magstripe readers into thinking they just read a magstripe (the data of which is stored elsewhere). Which is fine if the reader doesn't have a physical card detection sensor as part of it's mechanism (which I imagine most don't if it's an exposed swipe reader as that only adds cost)
smart  credit  card  hardware  electronics  devices  smartphone  accessories  magnetic  field  projector  Delicious 
january 2014 by asteroza
Cota, Real wireless power
WPT using ISM 2.4GHz band magnetic resonance techniques.
wireless  resonance  2.4GHz  WPT  power  magnetic  transmission  Delicious 
september 2013 by asteroza
Magnetic quantum ratchet effect in graphene : Nature Nanotechnology : Nature Publishing Group
Interesting research, basically making a magnetic quantum ratchet out of graphene, effectively making an AC/DC rectifier. But, they used a 7 tesla mag field and a 3.34THz AC input (between IR and microwave), so not entirely practical. But, infrared nanoantennas have a need for rectifying their AC output and they are currently manufactured in the IR range, so if you can somehow provide the necessary mag field, that might be the trick to make it work...
technology  physics  rectifier  nanoantenna  DC  IR  ratchet  research  science  AC  terahertz  materials  effect  graphene  quantum  magnetic  nanotechnology  Delicious 
september 2013 by asteroza
NASA - A Plasma Aerocapture and Entry System for Manned Missions and Planetary Deep Space Orbiters
Nice research into near massless plasma shell reentry heat shields. No mention of how the RMF is made though, though there was talk of needing a superconducting loop in the past.
NASA  plasma  magnetoshell  magnetic  aerocapture  atmospheric  braking  decelerator  reentry  entry  shield  heatshield  heat  insulation  technology  research  space  propulsion  rotating  field  RMF  Delicious 
september 2012 by asteroza
Wireless Power by IDT and Intel
IDT is now making wireless recharger IC chips incorporating Intel WCT stuff, and nominally also supporting Qi.
IDT  intel  WCT  magnetic  resonance  inductive  charging  recharging  wireless  technology  IC  chip  charger  recharger  hardware  electronics  devices  Qi  Delicious 
august 2012 by asteroza
RIKEN | Press Release | 2012 | A New Route to Dissipationless Electronics
Interesting work on a actual magnetic topological insulator. In theory this should allow reductions in line transmission losses. But this needs magnetic materials, and currently requires cryogenic cooling, so on the face of it, it isn't much better than current high temperature superconductors. Might be more applicable to chip scale stuff, especially if they can get the working temperature up.
dirac  fermion  ferromagnetism  magnetic  topological  insulator  quantum  anomalous  hall  effect  materials  science  research  technology  power  transmission  energy  electricity  current  Delicious 
august 2012 by asteroza
Fraunhofer Announces New Wireless Power Transmission Technology -- Tech-On!
Some kind of bizarre wide gap motor/transmission setup utilizing magnetic resonance coupling to physically rotate a remote magnet. I wonder if you could embed this technique in a vacuum flywheel to avoid a rotating shaft seal?
Fraunhofer  wireless  power  transmission  mechanical  magnet  rotation  magnetic  resonance  coupling  Delicious 
april 2012 by asteroza
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