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https://arstechnica.com/cars/2018/11/why-millions-of-lasers-on-a-chip-could-be-the-future-of-lidar/?amp=1

Lew, you are getting crazy good at this! Your sessions have improved every time (to my eye, anyway). I'm big into symmetrical compositions. -G

Wow...hehehHAHHA. I didn't even read past the first post before I replied. I just saw I just saw it in the new post section and replied. At least I didn't resurrect it!

What is it that you like to do, right now? What brings you the most joy into your life? Just because you're good at math doesn't mean you would like a career in that field. You've got to pick something that you really, really love doing. Because you're going to be working for a long time...

Wow, Lew! 8445 is AMAZING! What sorcery is that making those bright "circles" in the middle? Is that beam overlap bright spots?

Sent.

I can save you a trip to the PO. The Flat-Rate pricing is as follows. I only did a few options, though. Gift Card envelope - 10" x 7" - $6.70 (with some bubble wrap this will likely work for 1 or 2 sets) Padded envelope - 12.5" x 9.5" - $7.25 Small box - 8.625" x 5.375" x 1.625" - $7.20 Medium...

Count me in for 2 sets, please. Awaiting your PayPal Addy.

I picked up the Elekslaser A3 pro and it does a fine job of making traces and pads on painted copper board. Then just etch the copper as normal, remove the paint, and you've got a professional looking circuit board. It also removes powder coat. I've used it to make some nice looking "yeti"...

https://www.sciencenews.org/article/new-ultrafast-laser-emits-pulses-light-30-billion-times-second

Welcome, KingKube! You'll find many helpful people here, knowledgeable in a WIDE range of subjects, and more than happy to share that knowledge. That aside...how about cylinder prism pairs...for fast-axis beam correction? Seen any of those over there in Optical City? Also, do you have access...

Hey Lew, I have two 40"x30" FS mirrors that I haven't cut up yet. Interested in some pieces? GREAT pics by the way! Your skills are improving! -G

Laugh about HF if you want, but I acquired alot of my machine tools there for very reasonable prices. Got digital caliper there. A set of parallels. They also have a set of small, indexable lathe bits for around $20 that Ive seen elsewhere for more than $50 that make very nice cuts. Also got...

So, it looks like today my 12" rod came in. I'm gonna have to get a bigger shop.

I exchanged some PMs with SBA, and gave him some options to reach his goal of 5W+. This was last week, still waiting on a reply. Real life takes it's toll on all of us, and he sounded like he's got a lot on his plate right now. Time will tell. If I get a response, his host will be getting a...

I've taken to using McGuiarr's (sp?) Carnuba cleaner/wax. It'll keep copper bright for a month, or more depending on handling frequency. -G

OK Bob, Chris, and Lew, I'll get em prepared ASAP. Bob, I'll have to check 'em and see if there are some that'll take a 25 mm hole and still have enough meat for a screw. I'll let you know. I didn't check the core sizes on all of 'em. Another thing I failed to mention is that they are all...

Dang, Paul. You really didn't have to do that! I'm the one that went and looked up prices and told you wrong. But, thanks...shows integrity. And, I like that alot about the people here. -K

OK, Paul's sink will be arriving in Tacoma Wednesday. If anyone else needs one, I just picked up another seven. I'd really like to spread these around. I have absolutely no use for all of them. Shipping to CONUS is $7.20 (Yeah, Paul. I misread the website and you got a dollar off ;)) for...

I managed to get my hands on a half dozen radial finned heatsinks today. I've heard several people comment about how they would like to have one of these for their workbench...well here's your chance! The first six shipping addresses that show up in my PM's will have one sent to them for only...