asteroza + density   54

Different languages, similar encoding efficiency: Comparable information rates across the human communicative niche | Science Advances
In terms of encoded data, humans generally operate at 39.15 bits/sec regardless of language. Which means that languages that have low information per syllable must speak faster to compensate. Japanese seems to encode at 5 bits/syllable so must talk fast. On the other end, it looks like US english is capped at 9 syllables/sec so audio processing into information (mental objects) is a possible limiter on the high end.
linguistics  cognitive  research  language  speech  speed  density  information  science  neural  processing 
7 days ago by asteroza
Vayyar | Imaging at Your Fingertips
Some sort of ground penetrating radar type sensor on a chip? probably not terahertz imaging...
RF  imaging  sensor  density  Delicious 
june 2016 by asteroza
Microbial Synthesis of Pinene - ACS Synthetic Biology (ACS Publications)
Apparently a new way to make a biofuel precursor for a JP-10 analog. JP-10 is allegedly pretty expensive ($25/gallon)...
microbial  biofuel  synthesis  pinene  precursor  JP-10  high  energy  density  hydrocarbon  Delicious 
april 2014 by asteroza
Research News & Features - WSU Researchers Use Super-high Pressures to Create Super Battery
Okay, but does the new crystal structure stay that way when you take the pressure off the diamond anvils?
XeF2  technology  materials  density  chemical  high  research  xenon  energy  science  storage  difluoride  Delicious 
july 2013 by asteroza
Evtron | Next generation storage platform
Currently their device, called CELL,is a 4U oversize (length is 45 inches, current standard is 42 (38-48) inches) DAS, mounting 120 3.5 inch SAS HDD. Appears to use 5x24port SAS backplanes. Claims to use a proprietary heatsink/mount system, ostensibly to reduce the airgaps needed for cooling to increase density. No pictures of the insides, so can't tell if hot swappable.

Still, looking at the Backblaze StoragePod for comparison (if not hotswap) which has 15 disks per row in 3 rows, you are looking at maybe 16 disks per row for a exceptionally tight setup, but that comes out to 7.5 rows. If you look at a DataON DNS-1660 (with hotswap), it has 12 disks per row in 5 rows, and roughly 20 inches consumed, so 120 disks would consume 40 inches. Which makes me think it is not hotswappable in the normal sense, to cut down on hotswap caddy tray space consumption, and still leave enough room for for the PSU's. Maybe some backplane chip layout tricks to shorten the length.
devices.  electronics  hardware  DAS  120  3.5inch  3.5  oversize  rackmount  shelf  storage  drive  hard  JBOD  SAS2  SAS  density  high  cell  Evtron  devices  Delicious 
november 2012 by asteroza
TYAN - FM65B5511 (B5511F65X18-160V2R) 4U Server Barebones: Intel Xeon E3-1200, i3-2100 series processors, LGA 1155
Very high density server that sort of competes with true blade server chassis setups on cost. But, the TDP limit of 45W basically cripples this for high power computing.
Tyan  high  density  server  microserver  blade  hardware  devices  4U  18  Delicious  electronics 
march 2012 by asteroza
News releases 2012
Apparently, these guys were already working on using microbubbles to improves algae density in production. Now, they have retasked the same tech to help with floatation/separation/harvesting to ease gathering and drying, which is somewhat energy intensive normally. Naturally this assumes algae for biofuel where you are using the biomass directly (thus killing the algae), rather than using algae types the excrete oils that can be skimmed (and keep the algae alive).
high  efficiency  microbubble  aeration  system  algae  floating  floatation  density  production  biofuel  Delicious 
january 2012 by asteroza
Why Some Languages Sound So Much Faster than Others - TIME
Japanese has a high syllable speech rate (7.84 syllables per second average) but a low syllable information density (0.49). For comparison, English is 6.19/0.91, Mandarin 5.18/0.94, Spanish at 7.82/0.63. However, averaging total data output, most languages average out the same total information output for a given time unit, indicating a neural limit on language.
japanese  language  reference  information  speech  speed  syllable  data  density  Delicious 
september 2011 by asteroza
Why Some Languages Sound So Much Faster than Others - TIME
Japanese has a high syllable speech rate (7.84 syllables per second average) but a low syllable information density (0.49). For comparison, English is 6.19/0.91, Mandarin 5.18/0.94, Spanish at 7.82/0.63. However, averaging total data output, most languages average out the same total information output for a given time unit, indicating a neural limit on language.
japanese  language  reference  information  speech  speed  syllable  data  density  Delicious 
september 2011 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
ReVolt Zinc Air Batteries Store Three to four Times Lithium Iion Batteries at Half the Cost
For the automotive battery, they seem to describe something conceptually similar to a redox flow battery, where instead of an electrolyte, they are pumping a liquid zinc slurry electrode through an air reaction tube.
ReVolt  zinc  air  rechargable  battery  materials  science  research  technology  high  energy  density  Delicious 
october 2009 by asteroza
ALUPRO
Using an ultrasonic liquid metal mixer, these guys supposedly are making a barium titanate ultracap that could go toe to toe with EESTOR, because they can make a fancy metal alloy
barium  titanate  supercapacitor  ultracapacitor  capacitor  high  power  density  hardware  electronics  devices  energy  research  Delicious 
october 2009 by asteroza
Photovoltaic organic polymer advance made
Looks like they used fullerenes to up the polymer density and conductivity of the polymer, and it seems to help reduce production time.
photovoltaic  organic  polymer  high  density  materials  science  research  technology  fullerene  nanotechnology  Delicious 
october 2009 by asteroza
Can Nanotubes Be A Source of Energy?
Apply stretchable nanotube energy storage properties at macro scale, create the equivalent of an energy storage rubber band with very high energy density. Practical? Well, the trick is how do you lock the expanded spring at variable extension (AKA how do maintain stretch with little to no energy usage)?
nanotube  spring  energy  storage  battery  research  high  density  Delicious 
september 2009 by asteroza
Aercon AAC
Hrm, Japan, the land of concrete construction, would have field day with this. But there seems to be some politically motivated controversy regarding California not qualifying the material for seismic zones, so I wonder how that spills over.
AERCON  autoclaved  aerated  concrete  building  block  material  low  density  weight  architecture  construction  AAC  prefabricated  green  insulator  fireproof  Delicious 
june 2009 by asteroza

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