Recent content by Gravitron

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    Move heat at the speed of sound

    New Scientific American article: "scientists watch as heat moves at the speed of sound" Common graphite, it was discovered, can move heat in a linear direction at the speed of sound. Lots of potential applications for this. It may be possible to incorporate this into the heat management of...
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    Shipped (Still available): ReyLight Custom-Lumintop‬ Tool Ti Titanium AAA

    Re: Group Buy: Lumintop Tool Ti AAA I'm interested. Price info please.
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    Any stories of using STROBE as a Self-Defense Weapon?

    My very limited personal experience with the application of strobe to disorientate an attacker has; thus far, proven to be woefully ineffective. However, I would like to reiterate that I am by no means an authority on the subject. The sole basis for my opinion is from an incident that occurred...
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    Nightwalks with flashlight, stupid aggressive dogs (with owners). Advice?

    I've had many encounters with aggressive dogs on night walks. One night I discovered that a very bright flood-type beam(2,500+ lumens) works every time. I'm not sure why, but all I know is it works. P.S. A bright light with good throw is ineffective.
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    WTS: S200C2vn - Baby Throw King 122K Lux - 690 OTF Lumen

    Vinh, Could you let me know how many lumens you are getting on the XML2 version of this light? I think you stated the Lux at around 50K, but I didn't see Lumens anywhere. Thanks, Gravitron
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    Eagletac SX25L3 (MT-G2, 3x18650/6xCR123A) Review: RUNTIMES, VIDEO, BEAMSHOTS+

    You can use one hand to adjust between 2 levels easily enough and then use the long button press to jump to turbo.
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    Eagtac SX25L3 (3x18650, 2750lm)

    Yes, they fit. I am using the 3100mah cells.
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    Adding arsenic to magnesium makes it stainless.

    Magnesium is ⅔ lighter than aluminum and has nearly the same thermal conductivity. This might be the 'new aluminum' of the future. Below is a link to the article. http://www.sciencedirect.com/science/article/pii/S1388248113002804
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    Copper exposure likely 'key player' in Alzheimer's disease.

    With the increasing popularity of copper flashlights today I thought this study relevant. http://m.pnas.org/content/early/2013/08/14/1302212110.abstract
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    Eagletac SX25L3 (MT-G2, 3x18650/6xCR123A) Review: RUNTIMES, VIDEO, BEAMSHOTS+

    The "other mt-g2 light" most likely is the Fenix. I don't know of any other light we are all waiting on, with great expectations. P.S. Great review, as always. Thanks for all you do for this community!
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    Niwalker Vostro BK-FA01 (XM-L2) BK-FA02 (MT-G2) 4x18650 FINAL SHIPPING Review: BEAMS+

    I noticed data for the Eagltac SX25L3, but I can't find your review. Will this be the next flashlight you review and post data for?
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    Surefire EB2 pictures

    I would hardly call that size "backup"...I thought the Eb1 was borderline too big.
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    What's your most impressive flashlight?

    Vinh mt-g2 dropin and Surefire C2 body = 2000+ otf lumens with near-perfect tint. I've had it over 3 months and I am still amazed.
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    Eagtac SX25L3 (3x18650, 2750lm)

    I notice some owners are reporting the light throws less than 150 meters.EagleTac is generally conservative when it comes to posting output and throw figures... is that not the case with this light? I was hoping for something near 250 meters. I have a MT-G2 dropin and know firsthand that it is a...

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