asteroza + fast   51

Photography optics in the time dimension | Nature Photonics
New trick for fast imaging, can shrink a 30cm optics train to 3cm
optics  physics  fast  imaging  research  technology  photography 
august 2018 by asteroza
A minimized human insulin-receptor-binding motif revealed in a Conus geographus ...
So cone snails secrete a variant fast acting insulin into surrounding water to make prey go hypoglycemic to stun them. Overall effectiveness in humans is lower, but it also appears to be faster acting than current insulin types in medicine.
cone  snail  venom  insulin  fast  biology  medicine  health  Delicious 
september 2016 by asteroza
Home | Plashr
A rare multi port USB charger supporting fast recharge for high draw USB devices (5V/2.4A) plus Apple products and Qualcomm QuickCharge 2.0 compatible products.
high  power  USB  fast  charge  recharge  turbo  charger  recharger  hub  multi  multiport  QuickCharge  2.0  qualcomm  apple  lightning  hardware  electronics  devices  kickstarter  Delicious 
april 2015 by asteroza
TOSA buses power up for less
Interesting arm mechanism and bus stop overhead design for the flash charger system. Overhead fast recharge is somewhat attractive from an installation standpoint (no road ripping for a embedded inductive charger), but like any flash system, requires high power delivery equipment. Also, paired flywheels sound like a better mechanism for the bus energy storage, and perhaps the bus stop's buffer bank
switzerland  europe  bus  rapid  transit  research  economic  modeling  virtual  line  flash  fast  charge  stop  overhead  contact  station  recharge  EV  Delicious 
june 2014 by asteroza
leveldb - A fast and lightweight key/value database library by Google. - Google Project Hosting
Similar to SQLite but sequential reads are higher apparently (Really? Might be due to inline decompression)
google  key  value  store  noSQL  database  opensource  software  high  performance  fast  LevelDB  library  lightweight  storage  Delicious 
june 2014 by asteroza
Credit card sized (well area-wise, it's 5x thicker than a normal card, but probably fits in a larger wallet slot) fast recharge capable external battery.
compact  small  form  factor  credit  card  battery  charger  recharger  USB  fast  recharge  external  portable  wallet  indiegogo  Delicious 
april 2014 by asteroza
ABB demonstrates technology to power flash charging electric bus in 15 seconds
Fast charge systems have been proposed in the past for pseudo-trolleybuses and trolleybuses with limited off-route capability via battery. With current PHEV and EV bus types, this might have legs, as it avoids trolleybus electric line infrastructure, and in many places, people expect enclosed bus stops so the charger infrastructure can be built into the stop more easily.. Though from an installation and operations standpoint, a wireless charge pad embedded in the road in front of stop seems potentially more usable. The real problem is the fast charge itself, as most batteries can't accept power that fast, so you are forced to move into supercapacitor type systems, or perhaps electric flywheels.
pad  flash  recharger  trolley  technology  bus  charger  station  electric  transportation  transit  contact  trolleybus  mass  automotive  ABB  recharge  charge  overhead  TOSA  fast  Delicious 
june 2013 by asteroza
11380.pdf (application/pdf Object)
New lead cooled SMR that is train transportable/installable. Uses a supercritical CO2 brayton turbine for the generator for compactness.
SUPERSTAR  natural  circulation  lead  coolant  cooling  fast  spectrum  small  modular  nuclear  reactor  SMR  research  power  generator  supercritical  CO2  brayton  turbine  SCO2  Delicious 
february 2012 by asteroza
lzop file compressor ( OpenSource)
Probably the fastest single thread compressor out there, but does not pack as efficiently as others.
LZOP  high  performance  fast  speed  compression  software  opensource  LZO  gzip  tar  Delicious 
september 2011 by asteroza
Rapid DHCP: Or, how do Macs get on the network so fast? : Caffeinated Bitstream
Interesting info about the differences between Apple and linux DHCP client operation when connecting to a network, which may be a known known network.
fast  DHCP  discovery  reconnect  IP  address  allocation  configuration  mac  OSX  linux  networking  network  performance  Delicious 
july 2011 by asteroza
Welcome to Opbrid
Promoting fast recharging via large energy transfers with EV buses via an overhead pantograph on the bus and a fixed rail at the bus stop. Though that recent work with wireless induction chargers mounted in the roadbed at a bus stop seems less prone to problems.
fast  burst  charge  station  recharge  recharging  charging  bus  vehicle  green  transportation  EV  PHEV  pantograph  Delicious 
june 2011 by asteroza
Batteries charge very quickly and retain capacity, thanks to new structure | News Bureau | University of Illinois
Interesting, using Styrofoam beads as a temporary lattice building framework to make a metal lattice, which is later covered with the final thin film. This creates a very high surface area, allowing super fast charging. But, still like SCiB batteries, it seems the energy density is lower than conventional electrode batteries of the same type (around 75%) . A worthy flaw to allow fast charging? But that doesn't get around the high amperage issues of fast charging, and there is the scary part about fast accidental discharge, so you face the same issues as ultracapacitors.
battery  design  thin  film  lattice  self  assembly  materials  science  research  technology  manufacturing  production  fast  high  recharge  charge  charging  recharging  rate  electrode  Delicious 
march 2011 by asteroza
ZFS with Cloud Storage or Faraway Storage - Jignesh Shah's Weblog
Cool idea of using ZFS ZIL/L2ARC on local storage (preferably on fast local storage tiers like SSD's, but if the scale of data is too large you may have to go back to spinning disk) to provide low latency random local writes, while flushing acceptable high latency bulk writes out to a final cloud based iSCSI tier, and using a local read cache to overcome the seek/latency hit of remote iSCSI storage (assuming your cache is filled well).

Pushing the idea farther, Use Amazon EC2 and S3, store main partitions as files in S3 and use EC2 instances to export iSCSI LUN's of those backing files.
ZFS  ZIL  L2ARC  iSCSI  fast  low  latency  local  cache  storage  tier  remote  cloud  OpenSolaris  SSD  mixed  hybrid  SAN  postgresql  performance  sysadmin  tips  tricks  system  architecture  database  Delicious 
april 2010 by asteroza
FAWN: A Fast Array of Wimpy Nodes
I wonder when a blade server manufacturer gets on the boat and builds a blade rack that takes a variant of netbook motherboards (a long and thing board, maybe 2.5 inches wide) for blades. Takes care of the power and network feeds, which are the most obnoxious part of setting up a cluster like this.
fawn  fast  array  wimpy  nodes  netbook  small  form  facter  PC  hardware  electronics  devices  cheap  low  cost  cluster  grid  computing  cloud  FAWN-DHT  Delicious 
april 2009 by asteroza

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