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4hv.org :: Forums :: General Science and Electronics
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Mystery Photos from TDU

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Electroholic
Tue Mar 06 2007, 10:07PM
Electroholic Registered Member #191 Joined: Fri Feb 17 2006, 02:01AM
Location: Esbjerg Denmark
Posts: 720
static discharge from brushing your hair, lol
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Tesladownunder
Wed Mar 07 2007, 11:05AM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
I think the answers should be there. It's just an effect I hadn't seen before, or realised what it was.
Think what I am doing and how.

Electroholic wrote ...

static discharge from brushing your hair, lol
Thats a cruel taunt to someone who is losing his hair frown

Actually I get the best and most reliable static show from taking off that very same yellow cycling shirt at night regardless of the weather. That combined with my tritium glow keyring in the pocket makes it quite a show if I take it off in the dark.


TDU
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Electroholic
Wed Mar 07 2007, 12:13PM
Electroholic Registered Member #191 Joined: Fri Feb 17 2006, 02:01AM
Location: Esbjerg Denmark
Posts: 720
I am sorry TDU, please accept my apology.
That "lol" was not the sarcastic kind, it was short for "f* if I know".

As for a second guess, since you are not holding the camera, you have to be using timer/a remote.
Could it be from your IR remote?
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Tesladownunder
Wed Mar 07 2007, 02:21PM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
I was only joking about being sensitive - my wig seems to hide it well....

But you are right about the IR remote. I had to climb up the ladder to get close enough to trigger it by waving it in front of the camera. What you see is the camera picking up the infrared which it does quite well. See the results with an IR filter on a normal shot here.

Being a digital device you see the datastream as on an off dots when it is moved.

TDU
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Tesladownunder
Sun Mar 18 2007, 03:27AM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
How did I do this?

TDU
1174188416 10 FT10696 Mystery 60
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Myke
Sun Mar 18 2007, 04:11AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Glue wink . The can could be whighted so the center of gravity would be in between the bottom rim and the ridge.
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Sam
Sun Mar 18 2007, 04:51AM
Sam Registered Member #227 Joined: Mon Feb 20 2006, 10:47PM
Location: Cambridge Ontario, Canada!!
Posts: 127
almost empty the can, and balance it on the rim. Do it all the time at school.


[edit] I dont read to good at 1 in the morning, yeah, a bit slow...
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...
Sun Mar 18 2007, 05:10AM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
yup, just drink most of the sugar free contents, then balance it on the convenient lip at the bottom of the can.

If you are asking how you managed to drink the 5% lemon, 45% splenda (or 2% aspartame?), 50% water solution held within the can, well I am stumped. Unless you were stranded out in the bush and didn't realise that the soda you brought wasn't real soda :p
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Tesladownunder
Sun Mar 18 2007, 06:19AM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
I must admit I normally only drink from cans if I am running out for my can crusher. I figured that out of billions of cans consumed around the world that this would be common knowledge.
Actually, I posted the wrong photo.

TDU
1174198747 10 FT10696 Mystery 60a
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...
Sun Mar 18 2007, 06:45AM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
hmm, this is a little more interesting :p

I am torn 50/50 between a piece of steel in the can, and a thin magnet on top of the wood (since the camera angle hides the wood above the can) or a big AC coil under the can that is providing a bit of lift. Although if it is the latter I am quite impressed at how far up you managed to get it to levitate suprised
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