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01-02-2016, 08:33 AM #17
 Class 3B Laser Join Date: Jan 2014 Location: Deployed to Iraq Posts: 4,232 Rep Power: 2059
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Re: disgusting people

My ex-wife lives like that now, you wouldn't believe it, house full of animals too.

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Angular Size Calculator; use with diode angle of radiation specification to calculate the needed lens diameter for a given FL:
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Divergence to spot size calculator: http://tinyurl.com/spotsize - 1 mRad is about .057 degrees which from the earth would expand to be ~10% the diameters of the moon or sun at their distances.

Divergence Calculator: http://www.pseudonomen.com/lasers/ca...alculator.html - Measure your lasers beamwidth at 1 foot & then at a further distance to calculate the divergence.

Online calculator to determine spot intensity at different mRad's & powers @ distances: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: http://www.ophiropt.com/laser-measur...ity-calculator

How to build a laser beam expander to reduce divergence: http://tinyurl.com/BeamExpander

RHD's Relative Perceived Brightness Calculator. Compare brightness @nm: http://lsrtools.1apps.com/relativebrightness

YAG Power Calculator, i.e. convert ns @ mJ to peak power in watts http://tinyurl.com/YAG-Pulse

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01-02-2016, 08:38 AM #18
 Class 3R Laser Join Date: Jan 2015 Location: Edmonton, Canada Posts: 1,114 Rep Power: 733
Gabe
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Re: disgusting people

Quote:
 Originally Posted by Alaskan My ex-wife lives like that now, you wouldn't believe it, house full of animals too.
Houses full of barely maintained animals are the worst. All the feces and urine all over the place, the stench can make a house practically uninhabitable.
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589nm 50mW Dragon Lasers Spartan
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something something NUBM07E

01-02-2016, 09:21 AM #19
 Class 3R Laser Join Date: Feb 2008 Location: Dalzell, SC Posts: 2,238 Rep Power: 610
Dr_Evil
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Re: disgusting people

Quote:
 Originally Posted by Pi R Squared When I lived in NYC for 3 years back in the mid 1980's everywhere had problems with roaches, I used many of these: There are many people who live in homes that are full of stuff or full of garbage where they just have a path to where they sleep and where they sit and to the kitchen and bathroom and to the door, and the rest is just filled with garbage. I saw a place like that once on some TV documentary and many years ago there was a police detective I knew who told me he had seen places like that multiple times. Alan
Check out the TV show called Hoarders.
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01-02-2016, 07:51 PM #20
 Class 3B Laser Join Date: Jan 2014 Location: Deployed to Iraq Posts: 4,232 Rep Power: 2059
Class 3B Laser

Join Date: Jan 2014
Location: Deployed to Iraq
Posts: 4,232
Rep Power: 2059
Re: disgusting people

I have to be careful myself, I like to collect junk I will never end up using
__________________

http://www.lexellaser.com/techinfo_wavelengths.htm

Laser Safety:
http://www.laserpointersafety.com/index.html

Angular Size Calculator; use with diode angle of radiation specification to calculate the needed lens diameter for a given FL:
http://www.1728.org/angsize.htm

Divergence to spot size calculator: http://tinyurl.com/spotsize - 1 mRad is about .057 degrees which from the earth would expand to be ~10% the diameters of the moon or sun at their distances.

Divergence Calculator: http://www.pseudonomen.com/lasers/ca...alculator.html - Measure your lasers beamwidth at 1 foot & then at a further distance to calculate the divergence.

Online calculator to determine spot intensity at different mRad's & powers @ distances: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: http://www.ophiropt.com/laser-measur...ity-calculator

How to build a laser beam expander to reduce divergence: http://tinyurl.com/BeamExpander

RHD's Relative Perceived Brightness Calculator. Compare brightness @nm: http://lsrtools.1apps.com/relativebrightness

YAG Power Calculator, i.e. convert ns @ mJ to peak power in watts http://tinyurl.com/YAG-Pulse

The forum costs more to run than donations received, if you wish to help click this link: http://laserpointerforums.com/donations.htm

_______

01-02-2016, 09:37 PM #21
 Class 3B Laser Join Date: May 2013 Location: Snohomish County Washington, US Posts: 3,800 Rep Power: 1086
Pi R Squared
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Re: disgusting people

Quote:
 Originally Posted by Alaskan I have to be careful myself, I like to collect junk I will never end up using
I do too, I have plenty that I need to dispose of. I once worked with a woman that would get rid of anything that she didn't use for a whole year, if she didn't use it for a year then she didn't need it. I would have a hard time doing that.

Alan
__________________
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AtlasNova 635nm <5mW
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PLTB450B 450nm 1913mW G2 lens
PL520 520nm 82mW acrylic lens
S06J 12X 405nm 590mW G2 lens
C6 M140 445nm 1.5W 3 element lens
9mm 445nm with G2 lens in a stainless steel host
Radiant Electronics X4 3.7W Laser Power Meter

___________________________________________
The light that shines twice as bright burns half as long.

01-02-2016, 10:09 PM #22
 Class 2M Laser Join Date: Nov 2011 Location: florida Posts: 802 Rep Power: 261
trussmonkey25
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Join Date: Nov 2011
Location: florida
Posts: 802
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Re: disgusting people

Lol. I'm ordering a thirty yard *****ter to get rid of my junk I collected over the years. But not my laser stuff lol

Last edited by trussmonkey25; 01-02-2016 at 10:10 PM.

01-03-2016, 12:47 AM #23
 Class 1M Laser Join Date: Feb 2009 Posts: 193 Rep Power: 16
Illuminum3415
Class 1M Laser

Join Date: Feb 2009
Posts: 193
Rep Power: 16
Re: disgusting people

I had roaches in my PC, can't be helped. This PC doesn't live in the house though, it lives in the tool shed, right the smack below the work bench. Below it stores plumbing parts, above it wood, PVC. One end of the work shed holds the lawn tools. Leaning against the shed on the outside are about two flat beds worth of top soil, humus, and mulch in 2 cubic feet bags. All this makes the West side of the shed looking like a bunker with sandbags. Not all PC's live in houses, and some of them run 24/7 without air conditioning and is sometimes the warmest place in the entire building

Its a wood workshop, we have roaches. Not house roaches thankfully, these are cuter and alot of variety. Occasionally we have mice.... and then came snakes. To change a power supply in the PC I have to negotiate with our resident spider first, drag the PC out, blow out all the dust in it, in some places about 4" of saw dust as the case sits under the miter chopper.

Win98SE, never had a problem with anything, dust proof... If I sent the computer in for repair. They'll probably wonder how the heck do I live in my house. Unfortunately its no longer with me, Hard drive died, I stupped it full of sawdust and lit it on fire. Afterwards air blasted it clean, gutted it and brought the chassis in as a joke to my PC repair class. If memory serves me its still sitting in the instructor's cabinet when I graduated

Last edited by Illuminum3415; 01-03-2016 at 12:53 AM.

01-03-2016, 01:27 AM #24
 Class 2 Laser Join Date: Jul 2015 Location: Originally from NYC, now oustide DC Posts: 267 Rep Power: 114
Andrew124C41
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Location: Originally from NYC, now oustide DC
Posts: 267
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Re: disgusting people

I hate dust. I maintain a positive pressure inside the PC which pretty much keeps dust out....the inside is also rigged with very high voltage to electrocute any critter going inside....well...just kidding.

They say roaches have a rather high threshold for radiation and would probably be the only living thing left if we set them all off.

When I was a kid I caught one and stuck it in an envelope. It was alive a week later...go figure.

01-03-2016, 02:42 AM #25
 Class 3B Laser Join Date: May 2013 Location: Snohomish County Washington, US Posts: 3,800 Rep Power: 1086
Pi R Squared
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Re: disgusting people

Quote:
 Originally Posted by Andrew124C41 I hate dust. I maintain a positive pressure inside the PC which pretty much keeps dust out....the inside is also rigged with very high voltage to electrocute any critter going inside....well...just kidding. They say roaches have a rather high threshold for radiation and would probably be the only living thing left if we set them all off. When I was a kid I caught one and stuck it in an envelope. It was alive a week later...go figure.
Yes roaches will easily survive, they are not easy to kill. Someone once said to me that we should take advantage of this to improve humans now that we can map the DNA of any living creature, this person actually suggested combining humans and roaches to create a superior human! I am not sure that would be a good idea. I hope no one is at work in some lab right now trying to do this.

Alan
__________________
Keychain 650nm <5mW
Quartet 4-in-1 630-680nm <1mW

AtlasNova 635nm <5mW
MillionAccessories 532nm <5mW broken
M462 462nm one of a kind (in progress)
PLTB450B 450nm 1913mW G2 lens
PL520 520nm 82mW acrylic lens
S06J 12X 405nm 590mW G2 lens
C6 M140 445nm 1.5W 3 element lens
9mm 445nm with G2 lens in a stainless steel host
Radiant Electronics X4 3.7W Laser Power Meter

___________________________________________
The light that shines twice as bright burns half as long.

01-03-2016, 02:49 AM #26
 Class 3B Laser Join Date: Jul 2015 Location: Suburbs of Atlanta Georgia Posts: 3,661 Rep Power: 2054
RedCowboy
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Re: disgusting people

What am I ever going to do with this old dusty rectifier? I don't have 3 phase power, 3 big diodes and 3 scr's, I have tons more of this stuff, I could recycle it......Naw.
Just look at the heat sinks, how do I throw it away?
I just can't.

I've been tearing apart old Seagate 1gig hard drives from the heck 80's, they have a stack of disc but big neodymium magnets. I throw away so much beautiful machining and keep the magnets and play with the brushless motor, I shutter to think what they cost back then.

Each drive has 4 of these monsters in some beautiful anodized aluminum machining. They are strong.
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Last edited by RedCowboy; 01-03-2016 at 03:30 AM.

01-03-2016, 03:35 AM #27
 Class 2M Laser Join Date: Dec 2015 Location: Southern Ontario, Canada Posts: 853 Rep Power: 1157
ElectricPlasma
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Re: disgusting people

Quote:
 Originally Posted by Dr_Evil I got a job at a locally owned PC repair shop. They also do some console, phone and tablet work. Some of you have seen the pictures of PCs that are full of dust and stuff. I was working on a PS3 not too long ago that had roaches inside that were alive... It even reeked of some kind of smoke. If there are roaches inside your electronics, I'd hate to see the rest of your home.
Nasty... But unfortunately, also pretty common.

I've seen loads of electronic (mostly stationary) devices being infested by some sort of critter. The heat from the devices attract them and that's why they choose to stay. I'd say half the time it's the home owner's fault and half the time it's not, it just really depends on circumstances.

Someone I know used to live in an apartment building with a cockroach infestation, he's a bit of a neat freak and still saw roaches get into his apartment. Bugs always seem to find a way.

There was this listing on eBay that got pretty popular a while back ago, about a Nintendo Wii for sale that was "for parts". The guy who bought it made a video on it and opened it up, long story it was filled with roaches.

I'm pretty sure it ended up working once he took the critters out
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650nm: Custom build Ehgemus handheld, 250mW
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01-03-2016, 08:41 AM #28
 Class 3R Laser Join Date: Apr 2015 Location: Fall river MA Posts: 1,448 Rep Power: 1240
GSS
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Location: Fall river MA
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Re: disgusting people

Yep ive seen the cleanest of people have roach issues, these creatures are the devil. Am I wrong to say every year pest control has to come up with a new chemical as these roaches build a tolerance?

Last edited by GSS; 01-03-2016 at 08:42 AM.

01-03-2016, 10:08 AM #29
 Class 3B Laser Join Date: May 2013 Location: Snohomish County Washington, US Posts: 3,800 Rep Power: 1086
Pi R Squared
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Location: Snohomish County Washington, US
Posts: 3,800
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Re: disgusting people

Quote:
 Originally Posted by GSS Yep ive seen the cleanest of people have roach issues, these creatures are the devil. Am I wrong to say every year pest control has to come up with a new chemical as these roaches build a tolerance?
Yes it's true, they are the spawn of Satan! When I lived in NYC for 3 years back in the mid 1980's there were no chemicals that worked! Of course we are talking about mutant NYC roaches, I have no doubt that other normal roaches are probably easier to kill. The mice and the rats were just as big of a problem and I had a terrible problem with mice! There was also a big movie theater I used to go to and you would often see mice running around on the floor during the movie looking for the popcorn people dropped! There were rats everywhere, but especially in the subways, I remember at the time they tried an experiment and released a bunch of cats in the tunnels under Grand Central, guess what happened, there was no reduction in the rat population, and the homeless people that slept in the tunnels complained that there were animals in there and you could hear them and see their eyes in the dark, they ended up with wild cats living in the tunnels along with the rats and mice! That whole city should be quarantined or turned into a prison like in that old movie, and the United Nations should be moved to a better location!

Alan
__________________
Keychain 650nm <5mW
Quartet 4-in-1 630-680nm <1mW

AtlasNova 635nm <5mW
MillionAccessories 532nm <5mW broken
M462 462nm one of a kind (in progress)
PLTB450B 450nm 1913mW G2 lens
PL520 520nm 82mW acrylic lens
S06J 12X 405nm 590mW G2 lens
C6 M140 445nm 1.5W 3 element lens
9mm 445nm with G2 lens in a stainless steel host
Radiant Electronics X4 3.7W Laser Power Meter

___________________________________________
The light that shines twice as bright burns half as long.

01-03-2016, 11:28 AM #30
 Class 3R Laser Join Date: Apr 2015 Location: Fall river MA Posts: 1,448 Rep Power: 1240
GSS
Class 3R Laser

Join Date: Apr 2015
Location: Fall river MA
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Re: disgusting people

Escape from New York, not a bad idea. Ive seen rats in the Boston subway system and would think New York rats would swallow Boston rats whole. I remember at one place when 1 shot of Raid would do the job on a roach and 1 year later of infestation it took half a can, that roach just didnt go down! OK ive read and seen shows were they find a use in nature for every insect thats known except this nasty roach......oh for those roach motels or stick pads how many times have you all seen just a bunch of the roaches legs left behind!

Last edited by GSS; 01-03-2016 at 12:34 PM.

01-03-2016, 06:08 PM #31
 Class 1M Laser Join Date: Feb 2009 Posts: 193 Rep Power: 16
Illuminum3415
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Join Date: Feb 2009
Posts: 193
Rep Power: 16
Re: disgusting people

Quote:
 Originally Posted by GSS Yep ive seen the cleanest of people have roach issues, these creatures are the devil. Am I wrong to say every year pest control has to come up with a new chemical as these roaches build a tolerance?
I take it they are now immune to Boric Acid? Seems like that stuffs been around for years

01-03-2016, 09:46 PM #32
 Class 3B Laser Join Date: Jul 2015 Location: Suburbs of Atlanta Georgia Posts: 3,661 Rep Power: 2054
RedCowboy
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Re: disgusting people

If we do occasionally get a roach it's a big one that's come in from outside, we don't have any little ones, but the glue traps I order catch anything that goes in, they are very sticky.
Bell labs trapper ltd.
Since we stopped keeping indoor pets there's no flea season, yes I did the top spot and the spray that kills eggs, but cats shed and make dander, I love the buggers but no more in the house.
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You can not put freedom in a bag.
It is in fact an abstract concept.
Yet it is the single most valuable thing anyone has ever had.

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