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Super Slow Motion Lightning
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A super high speed camera records bolts of lightning.
Aug 8, 2008 2:26 PM
Re: Slow-Mo Lightning
Does it really hold still from 0:25 on? Or is that just a "ghost" on the camera's CCD from being burnt by such an intense flash?
Also, it's interesting to note that science teachers always talk about how lightning shoots from the ground up (as opposed to shooting down from the clouds, as most people believe), but it seems here that both are true. It looks like the the charge 'probes' numerous paths from the cloud, and the one that finds an especially nitrogen-rich spot on the ground actually becomes the lightening bolt. Magnificent.
Also, it's interesting to note that science teachers always talk about how lightning shoots from the ground up (as opposed to shooting down from the clouds, as most people believe), but it seems here that both are true. It looks like the the charge 'probes' numerous paths from the cloud, and the one that finds an especially nitrogen-rich spot on the ground actually becomes the lightening bolt. Magnificent.
By: Oh-Deeh
Re: Slow-Mo Lightning
I can't really say for sure, but it appears that, once the "probe" finds the right spot, the bolt does come up from the bottom.
I also like how, in the upper left, there seems to be a probe that finds it way back into the main bolt but doesn't immediately go away.
I also like how, in the upper left, there seems to be a probe that finds it way back into the main bolt but doesn't immediately go away.
Re: Slow-Mo Lightning
The points at which you see the light coming down is where the electrons are rising from the earth to meet the previous electrons already stacked from the sky down to create ozone (O3 and O4).
By: luclonde
Re: Slow-Mo Lightning
I was taught in my science classes that there are three types of lightning: Cloud-to-ground, Ground-to-Cloud, and Cloud-to-Cloud. From what I understand, there are more Ground-to-Cloud strikes, but Cloud-to-Ground are not that all uncommon. I have always wondered how lightning "searches" for their strike path. This video is interesting to study.
By: yomarco
Re: Super Slow Motion Lightning
any idea on the real world timing of this? 1/2 second? 1 second? I imagine it is somewhere in that range based on seeing lightning in real life. Was curious if the real data was available
By: poolaka
Re: Super Slow Motion Lightning
The video's uploader writes:
"NO, my friend, I complete lightning is not more than 50 or 100 microseconds "
"NO, my friend, I complete lightning is not more than 50 or 100 microseconds "
By: DRATM
