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I think this is absolutely fascinating. Injecting an "ocular nanoparticle" that can detect near-infrared light (NIR) directly into the eyeball allows mice to see in near IR. https://www.cnet.com/news/scientists-give-mice-infrared-vision-turning-them-into-tiny-predators/ "Mouse eyes, like human...

RANT Suddenly, P**P*** wants me to confirm my identity?!!! I've had the same account since 2005! I get a popup every time I make a purchase. It says: " There’s a problem with your account. Be sure to resolve it to restore full account access. " Strangely, my account is not limited or...

Occasionally we get people asking for a laser that works in low temperatures, or for signalling in emergency situations. I think this one fits that role perfectly. If you are a DVOR member, there is s screaming deal right now on the $49.99 Laser Genetics NS300 Green Laser Sub-Zero Designator...

Today is the day to buy that 7"x10" lathe you need so badly. Harbor Freight has a 25% off coupon that is only good for today.

25mW of 490ish awesomeness. This is officially my new EDC laser. A Sharp GH04850B2G on a Micro FelxDrive 5 @ 75mw running on a 10280 battery in a stainless AAA host . I love this little host. It is only 3.55 inches long and 0.487 wide. It has great feel to it; very hefty for it's size...

Did you spend your hard earned cash to buy the WR1 Can Opener only to use it once or twice? Is it now just sitting around gathering dust? Want to get some of that money back? Sell it to me! Please shoot me a PM if you have a WR1 and would rather have some cash instead.

I just finished my latest build. It is a 450nm NUBM44 in a 25mm Copper Module with a Super X-Drive set at 4.5A from DTR. The host I purchased off ebay. It's a 3 cell 18650 (convertible to 2 cell) flashlight that has tons of space for a large heatsink. https://imgur.com/9ufEQhy...

I have for sale a fantastic entry level LPM. The LaserBee I-X is rated at 2100mW. It comes with everything in the picture. LaserBee I-X and sensor Data logging software Data connection cable and adapter. $50 OBO shipped in the con US. It is well used, but still perfectly functional...

I recently returned to the hobby and I have a ton of un-labled mystery diodes that I want to test. I'd love to know what bench supply you are using to test your diodes. Or perhaps you can suggest a good entry level power supply in the $100-ish range ? Of course... if you have a link to...

Hey there guys. One of my very first builds was this Dorcy Jr . I made two interchangeable drop in modules for it, one is a phr and the other is a lpc. Today I noticed that it wont turn on anymore. Tested the switch and it has no continuity. Its dead. I love this little host and I really...

I clicked the "light" theme to check it out and now I can not get back to the dark one. I tried going through my control panel, but it only contains links to private messages and subscribed threads. I'm dumbfounded.

The ONYX retails for $750. https://medcom.com/product/onyx-radiation-detector I participated in the Safecast Kickstarter campaign and was able to get it for $400. I'm asking $375. Specifications Detector: LND7317 Halogen-quenched Geiger-Mueller tube. Effective diameter 1.75″ (45 mm)...

I live on 80 acres of rolling hilly forested land and my nearest neighbor is beyond a rise ( not line of sight ) over 1/2 mile away. My property is surrounded on all sides by cultivated fields of wheat and hay. There is a road along one edge of my property which would allow easy access to my...

Given the growing frequency with which zombies appear in movies, TV shows, and your worst nightmares, it’s inevitable the zombie apocalypse will soon be upon us. When it comes to surviving this inevitable showdown with the undead, location is everything. Do you live in a state populated with...

$924.95 On Sale 11% off Regularly $1039.95 HiTorque 7x12 Mini Lathe with Premium Tooling Package HiTorque Mini Lathe and Tooling Package. This includes the PN 4100 HiTorque Mini Lathe and the PN 4116 Mini Lathe Premium Tooling Package. The LittleMachineShop.com HiTorque Mini Lathe is the...

I am looking for a working AT&T cellphone. If you have an old one leftover from when you upgraded I'd be interested in buying it. It doesn't have to be fancy and I don't care if it is a little scratched. It just has to work. Oh... and not be stolen. Drop me a PM if you have one sitting in a...

I stole this from somewhere on the interwebs. THANKSGIVING 2022... "Winston, come into the dining room, it's time to eat," Julia yelled to her husband. "In a minute, honey, it's a tie score," he answered. Actually Winston wasn't very interested in the traditional holiday football game...

I was sad to see this on my local news, although it doesn't surprise me. Laser pointers interfering with Spokane County Air One | KREM.com Spokane

I bought some flexdrives and they arrived looking like this: Can they still be used? A better question is would you trust one to power your $50 diode?

This is a review of the 10mW 650nm Mid-open Red Laser Pointer Stars Kaleidoscopic Laser Pen I won from Hak's thread here: http://laserpointerforums.com/f46/eight-free-laser-pointers-lasersman-cherrylee-74598.html On 05-24-12 Cherrylee contacted me by PM to inform me that I won a free laser...