asteroza + piezoelectric   65

Music and architecture combine with 3D-printed violin
When you gotta perform a modern music piece and you need to cut down rampaging audience members...
3D  printing  fabbing  musical  instrument  piezoelectric  violin  music  audio  hardware  electronics  devices 
october 2018 by asteroza
High-performance bio-piezoelectric nanogenerator made with fish scale
demineralized fish scale collagens restructured as hierarchically organized thin film laminate can be a piezoelectric generator.
biodegradable  biopiezoelectric  piezoelectric  power  generator  nanogenerator  hierachical  laminate  film  demineralized  fish  scale  collagen  materials  science  research  technology  self  assembly  biowaste  waste  recycling  Delicious 
september 2016 by asteroza
FILOSE : HomePage
Interesting biomimicry, using piezoelectric sensors emulating lateral lines to detect disturbed and smooth flow, allowing a robot trout to seek smooth current flows (or even calm eddy spaces behind objects), to reduce drag and propulsion power.
water  lateral  piezoelectric  smooth  underwater  drag  trout  line  EU  fin  flow  seeking  research  biomimicry  sensor  propulsion  current  robotics  reduction  FILOSE  Delicious 
march 2013 by asteroza
IEEE Xplore - Investigation of the Piezoelectric Effect as a Means to Generate X-Rays
Hey, look at that, a solid state x-ray source using all sorts of neat tricks to make it compact and on-off. I wonder if this could be used as the source for the beam in that clean fusion bomb...
accelerator  electron  health  medicine  source  portable  technology  research  science  materials  physics  generator  beam  X-Ray  xray  piezoelectric  state  solid  factor  form  small  compact  Delicious 
january 2013 by asteroza
Perpetual motion: A piezoelectric pacemaker that is powered by your heartbeat | ExtremeTech
Wow, that's actually pretty smart, if the local energy generation and storage for the periodic stimulus firing is sufficient and it isn't a large device to stuff into someones chest. Also much simpler and potentially more failsafe than say a blood sugar powered fuel cell.
batteryless  integration  technology  research  hardware  electronics  devices  medical  medicine  health  heart  body  pacemaker  powered  human  collector  generator  power  harvestor  energy  kinetic  piezoelectric  Delicious 
november 2012 by asteroza
PVDF microbelts for harvesting energy from respiration - Energy & Environmental Science (RSC Publishing)
Interesting. I suppose one concept is direct implantation to power body internal devices, but then you would have a weird wheezing buzz in your chest when you breath. The other obvious one is mounting in a mouthpiece/respirator to power small sensors/devices in breathing gear, such as SCUBA or firefighter respirators or even regular gas masks
PVDF  piezoelectric  microbelt  belt  windbelt  power  generator  human  powered  microgenerator  materials  science  research  technology  small  form  factor  low  speed  air  flow  airflow  Delicious 
october 2011 by asteroza
Humdinger :: Windbelt Large
Using the buzzing effect of a taut belt in wind, these guys use a piezoelectric fabric to recover the vibration energy of the belt as it resonates in the passing wind turbulence. The only big issue I can see is the noise generated, as by design you lose a fair amount of wind generated power to acoustic loses
Humdinger  Windbelt  piezoelectric  fabric  belt  vibration  resonance  wind  noise  oscillation  turbulence  power  generator  harvesting  scavenging  green  energy  Delicious 
july 2011 by asteroza
A renewable energy generator for all seasons - tech - 10 June 2011 - New Scientist
Somebody had the thought of layering thin film solar PV onto those wind ribbon piezoelectric generator strips, which happen to also make electricity if being impacted by rain drops too.
hybrid  piezoelectric  wind  rain  impact  solar  PV  generator  green  energy  concept  thin  film  Delicious 
june 2011 by asteroza
[0912.5390] Highly efficient photovoltaic energy conversion using surface acoustic waves in piezoelectric semiconductors
I think this is implying using piezoelectric setup, where an acoustic wave wiggles the material, creating imbalances to collect solar PV charges (rather than inherent doped electrons and holes like normal solar cells), which get hauled over to electrodes. I don't think this is implying something like thermoacoustic piezoelectric generators...
SAW  surface  acoustic  wave  charge  transport  solar  photovoltaic  energy  conversion  piezoelectric  semiconductor  PV  power  generator  green  materials  science  research  technology  Delicious 
june 2011 by asteroza
Innowattech - Energy Harvesting Systems
Interesting that they are targeting railways. I suppose it could potentially supply power to railway crossings, at least as an auxiliary source. It may be possible to power noise cancellation speakers...
israel  piezoelectric  power  generator  harvester  scavenger  harvesting  scavenging  green  kinetic  energy  KE  pad  plate  Delicious 
december 2010 by asteroza
Masdar/WINDSTALK | Atelier DNA
I'm having a little trouble figuring out how you get the poles to lean back and forth in a steady wind. Artificially texture the pole surface to create turbulence maybe? Is there enough natural turbulence and wind speed change to ensure the pole swings enough to generate a practical amount of energy? I wonder if this could be built in a smaller form like some sort of rooftop astroturf module for building retrofits?
windstalk  piezoelectric  cantilever  beam  pole  wind  turbulence  power  generator  green  energy  high  density  footprint  alternative  Delicious 
october 2010 by asteroza
Scavenging energy waste to turn water into hydrogen fuel
Direct harvesting of mechanical energy to split water for hydrogen production via nanofiber piezoelectric output coupling into water. But will it scale, and how pure does the water have to be before the fibers become matted/clogged?
PZEC  piezoelectrochemical  effect  water  splitting  splitter  nanofiber  crystal  piezoelectric  hydrogen  production  green  energy  materials  science  research  technology  nanotechnology  Delicious 
march 2010 by asteroza
02.12.2010 - New fiber nanogenerators could lead to electric clothing
This would be more interesting as a solid state generator stretchable rope, attached to an anchor and ocean buoy for wave power generation.
nanofiber  piezoelectric  power  generator  materials  science  research  technology  green  energy  scavenging  harvesting  powersuit  nanogenerator  nanotechnology  clothing  fiber  Delicious 
february 2010 by asteroza
DataSlide
Almost solid state hard disk, shifts hard disk platter tech from spinning, to a translating platter, then upping the number of read/write heads since they are fixed and can be arranged in a large array. Kinky, using piezoelectric linear actuation. Certainly has the potential for much higher read/write speed since you are using an array of heads. The only problem is the relative lifetime of the platter and actuators, and what kind of wear would you experience?
Dataslide  2D  translation  platter  hard  disk  storage  SSD  piezoelectric  linear  actuator  Delicious 
june 2009 by asteroza

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