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aonomus
Sat Feb 07 2009, 06:07AM
aonomus Registered Member #1497 Joined: Thu May 22 2008, 05:24AM
Location: Toronto, Ontario, Canada
Posts: 801
IMG 2437
Fluorescein fluorescing green under UV-near UV excitation.

Should be interesting if I can make a highlighter-based laser...
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LithiumLord
Sat Feb 07 2009, 03:13PM
LithiumLord Registered Member #1739 Joined: Fri Oct 03 2008, 10:05AM
Location: Moscow, Russia
Posts: 261
SSTC case WIP
Th 310120091431

Lab mess - 4MHz matching tests
Xenon tank, 100Torr
Th 030220091437
Th 030220091435
same tank, more power so the gas heated up:
Th 050220091442
evacuated air-filled tube, average pressure, exact value unknown
Th 050220091440
same tube, higher pressure:
Th 050220091441
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Dr. Dark Current
Sun Feb 08 2009, 03:07PM
Dr. Dark Current Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
arc in a bulb

1234105655 152 FT6000 Arc In A Bulb

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Hon1nbo
Mon Feb 09 2009, 02:27AM
Hon1nbo Registered Member #902 Joined: Sun Jul 15 2007, 08:17PM
Location: Pacific Northwest USA
Posts: 1042
Dr. Kilovolt wrote ...

arc in a bulb

1234105655 152 FT6000 Arc In A Bulb



did you release the vacuum in the bulb to do that?
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3l3ctrici7y
Mon Feb 09 2009, 06:33AM
3l3ctrici7y Registered Member #1806 Joined: Sun Nov 09 2008, 04:58AM
Location: USA
Posts: 136
Bulbs do not have a vacuum, they're backfilled with Argon.

Link2
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Fabio
Mon Feb 09 2009, 08:38AM
Fabio Registered Member #122 Joined: Fri Feb 10 2006, 12:55PM
Location: Milano Italy
Posts: 148
now i have 2 SCR in a really strange configuration and no more relays, i never lost any more components after this modification

S**T.....Both SCRs are become passive components! sad


Don't worry, i have a backup! amazed

Th

Th

Th

Th
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Tom540
Mon Feb 09 2009, 06:13PM
Tom540 Banned on 3/17/2009.
Registered Member #487 Joined: Sun Jul 09 2006, 01:22AM
Location:
Posts: 617
Hey Fabio,

What type of caps are those? They look like the film/lytic things Ive seen on eBay. I've been wondering about those things.
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Hon1nbo
Tue Feb 10 2009, 12:02AM
Hon1nbo Registered Member #902 Joined: Sun Jul 15 2007, 08:17PM
Location: Pacific Northwest USA
Posts: 1042
3l3ctrici7y wrote ...

Bulbs do not have a vacuum, they're backfilled with Argon.

Link2

my mistake, what I meant to ask was if he released the relevant inert gas, I have put high voltage into light bulbs before but with very different results...
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Backyard Skunkworks
Tue Feb 10 2009, 06:30AM
Backyard Skunkworks Registered Member #1262 Joined: Fri Jan 25 2008, 05:22AM
Location: Maryland, USA
Posts: 451
A DMM showing the voltage on an NiMH cell at 1.337VDC cheesey


1234247419 1262 FT6000 1337 Dmm
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Steve Conner
Wed Feb 11 2009, 11:08AM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
I found Dr. Spark's slippers.

1234350519 30 FT6000 Slippers400
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