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07-27-2014, 03:12 AM #1
 Class 3B Laser Join Date: Jan 2014 Location: Near Mosul, Iraq Posts: 4,264 Rep Power: 2102
Class 3B Laser

Join Date: Jan 2014
Location: Near Mosul, Iraq
Posts: 4,264
Rep Power: 2102
www.rt.com

Occasionally I like listening to Russia Today because they expose some of the lies coming from the US Government, but other times I can see they have their own lies and propaganda to promote on this program too.

Regardless: QUESTION MORE.... worth a watch.

http://rt.com/on-air

__________________

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

_______

07-27-2014, 03:31 AM #2
 Class 3B Laser Join Date: May 2013 Location: Snohomish County Washington, US Posts: 3,800 Rep Power: 1086
Pi R Squared
Class 3B Laser

Join Date: May 2013
Location: Snohomish County Washington, US
Posts: 3,800
Rep Power: 1086
Re: www.rt.com

I watch them too for awhile about once a week or so. If you have an iPad they have an app for it and you can choose between RT Global or RT America, they also have an Android app and I can watch it on my phone.

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.

07-27-2014, 03:49 AM #3
 Class 3B Laser Join Date: Jan 2014 Location: Near Mosul, Iraq Posts: 4,264 Rep Power: 2102
Class 3B Laser

Join Date: Jan 2014
Location: Near Mosul, Iraq
Posts: 4,264
Rep Power: 2102
Re: www.rt.com

I think all large organizations, especially the governments of the world lie, they lie to get their way, they lie to stay in power, they lie to oppose others or to deflect and protect themselves from the truth but sometimes, they also tell the truth in opposition of others, that's why we all need to listen to opposing views.

QUESTION MORE.... worth a watch.

http://rt.com/on-air
__________________

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

_______

07-27-2014, 04:26 AM #4
 Class 3B Laser Join Date: May 2013 Location: Snohomish County Washington, US Posts: 3,800 Rep Power: 1086
Pi R Squared
Class 3B Laser

Join Date: May 2013
Location: Snohomish County Washington, US
Posts: 3,800
Rep Power: 1086
Re: www.rt.com

I agree, no one in their right mind should get all their news from only the American press or just the press in their country. Others I sometimes watch include France 24 International breaking news and headlines - France 24 Sky News Sky News - Latest News From The US And Around The World and DW TOP STORIES | DW.DE again all three have apps for the iPad.

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.

07-27-2014, 04:28 AM #5
 Class 3B Laser Join Date: Jan 2014 Location: Near Mosul, Iraq Posts: 4,264 Rep Power: 2102
Class 3B Laser

Join Date: Jan 2014
Location: Near Mosul, Iraq
Posts: 4,264
Rep Power: 2102
Re: www.rt.com

If we think the lies are bad now, just let there be a one world government and we will have new magnitudes of such as well as corruption, mankind can't go there without that happening, I believe.
__________________

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

_______

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