asteroza + limit   37

A heavily fragmented file in an NTFS volume may not grow beyond a certain size
Windows has an internal NTFS extent limit of 1.5 million roughly, can extend to 6 million
windows  NTFS  file  extent  limit  sysadmin  tipstricks 
july 2019 by asteroza
Entanglement-enhanced optical gyroscope - IOPscience
New higher precision fiber optic gyro that can overcome shot-noise limit
entangled  photon  fiber  optic  gyroscope  sensor  physics  research  technology  aerospace  shot  noise  limit 
june 2019 by asteroza
Why are conversations limited to about four people? A theoretical exploration of the conversation size constraint - ScienceDirect
Which might suggest freeform conversations in meetings only really work well at 4 or less people, or else you have the ritual/social equivalent of a conch token to control speakers (which effectively cuts speaker count to compensate). The take that you are effectively tracking potentially 8 "endpoints" also suggests some connection with memory limits (you generally can handle 7 things simultaneously, maybe don't count yourself?)
psychology  conversation  audio  social  studies  meeting  speaker  size  constraint  cognitive  limit 
september 2018 by asteroza
Google Family Link - Home
Hiding apps and remote logging is kinda mean...
google  android  app  software  parental  control  monitoring  logging  access  screen  time  limit 
may 2018 by asteroza
Heat Accumulation in Laser-Based Removal of Space Debris | AIAA Journal
Laser brooms for orbital debris may face heating restrictions due to accumulated internal heat, forcing longer ablation campaigns. But, because of this cooling requirement, if you flip that around, it might imply a debris removal campaign may prefer a fast slewing pulse laser to hit any and all debris a laser station can see on every orbital pass. Basically touch everything a little bit, all the chances you get.
space  trash  orbital  debris  removal  laser  broom  sweeper  heat  retention  limit  dwell  time  liquification 
march 2018 by asteroza
Phys. Rev. A 94, 022315 (2016) - Quantum enigma machine: Experimentally demonstr...
This appears to be a shannon limit breaker, in that the key is shorter than the message yet is still unbreakable...
shannon  limit  quantum  key  encryption  experiement  science  research  technology  Delicious 
september 2016 by asteroza
Microsoft Removes 260-Character Path Length Limit in Windows 10 Redstone
This might become problematic for some security software, as they will have buffer overflows. NTFS itself supports something like 32K length paths, but win32 API has assumed until now 260 characters in many places...
windows  10  260  character  filepath  path  limit  sysadmin  tips  tricks  security  Delicious 
june 2016 by asteroza
Highly efficient and ultra-broadband graphene oxide ultrathin lenses with three-dimensional subwavelength focusing : Nature Communications : Nature Publishing Group
Sorta breaking the diffraction limit for ultrathin flat lens in a more manufacturable format, with fresnel rings being laser etched. I wonder if this would be applicable to DARPA MOIRE project, assuming you could make a large monolithic thin film of graphene.
diffraction  limit  graphene  flat  planar  fresnel  lens  optics  materials  science  research  technology  nanotechnology  nanophotonics  thin  film  Delicious 
february 2016 by asteroza
The Aragoscope: Ultra-High Resolution Optics at Low Cost
Some sort of spinoff from the researcher's MAXIM x-ray interferometer optics research for visible light? Complement/alternative to DARPA MOIRE project?
aragoscope  diffraction  limit  low  cost  large  size  aperture  telescope  optics  space  materials  science  research  technology  NIAC  NASA  Delicious 
june 2014 by asteroza
Point of Light | Caltech
By proxy, exceeding the diffraction limit of visible wavelength light using surface plasmon polaritons on a nanoscale silicon dioxide waveguide.
optics  nanotechnology  technology  research  science  materials  physics  dioxide  silicon  waveguide  focus  limit  diffraction  light  visible  polariton  plasmon  surface  SPP  Delicious 
december 2012 by asteroza
ck :: VMware ESXi 4.1 does not use whole disk capacity for VMFS3 :: claudiokuenzler.com
So, the VMware ESXi 4.1 installer is dumb and won't slice up a large local RAID volume sanely if it's over 2TB to create multiple datastores or a single datastore with multiple extents. You could try to pull the following stunt, or resign yourself to fate and split up the RAID volume into 2TB virtual disks...
VMware  ESXi  4  4.1  maximum  datastore  volume  size  2TB  limit  partition  format  reformat  logical  primary  Delicious 
august 2010 by asteroza
Early Warning: Odds of Cooking the Grandkids
Well, looks like living on the coast, Tibet, and the Sierra Nevada's are looking real good now. That, and being an air conditioner repairman...
global  warming  wet  bulb  temperature  limit  human  heat  resistance  survival  climate  scenario  environment  Delicious 
may 2010 by asteroza
Simple, classless Queueing Disciplines
Tricks to deal with torrenters, by setting up user bandwidth on a bucket basis. Stay below the bucket limit, you can burst at wire speed. Go over, and you are suddenly at a crawl.
network  bandwith  performance  bandwidth  traffic  management  limit  limiter  TBF  token  bucket  filter  linux  server  QoS  Delicious 
february 2010 by asteroza
Source: Tcpip Event ID: 4226 (Windows Operating System 5.2) - Technet Events And Errors Message Center: Message Details
Apparently, this bug exists in 2K/XP/Vista/7 but not in the server OS versions. Basically, you only can have 10 new outbound connection attempts a second, or else it starts backing up into a queue. I think a colleague said it best; WTF?!?
windows  TCP/IP  incomplete  concurrent  connection  limit  10  error  bug  event  4226  Delicious 
april 2009 by asteroza

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