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  1. Pi R Squared

    PLTB450B Build 3 of 3 lasers (very pic heavy).

    This was my last build and I should have posted this a long time ago, it's just difficult to spend the time to post a thread like this, but since I have these photos and am hoping to do another build I thought I would go ahead and post it. I had purchased three hosts from Mrcrouse a long time...
  2. Pi R Squared

    What are the best science fiction movies?

    Since this forum is largely technical and scientific I would think that many of you watch and read science fiction. We had a thread before about movies with lasers in them, and there was also a very short thread about time travel movies. It would be interesting to see what many of you think are...
  3. Pi R Squared

    Exploding Beer Bottle!

    You're not going to believe this but it's true and I am tired now after cleaning up the mess. I sit in a chair next to a small table. I am in a trailer that has an addon room that is 10'x20' that isn't heated much, I have a small heater on this table next to my chair. There isn't much room here...
  4. Pi R Squared

    Headline News

    We get quite a few threads about one single news story, usually about someone pointing a laser at an aircraft or some new technological development that is laser related. I thought it might be good to have one thread where we can post news stories so they can mostly be found and discussed in one...
  5. Pi R Squared

    Merry Christmas 2015

    It is Christmas Eve now so it's time to wish everyone a very merry Christmas. I hope you and your families are all OK. I am not optimistic about the next year, I see things going bad everywhere. Let us think more about those in need and those fleeing the war zones. Tens of millions of people...
  6. Pi R Squared

    Has NASA's Kepler space telescope discovered an Alien Megastructure?

    I was just listening to the radio and this story was just mentioned. The star is named KIC 8462852 and it is 1500 light years away, there is something very large orbiting this star that isn't round and they can't explain it. Yes some scientists are really suggesting it could be alien...
  7. Pi R Squared

    NASA Mars press conference.

    Well as discussed earlier in another thread that is now closed, we talked about the NASA press conference about Mars that would take place this morning and I said I would report back on it to tell you what it was about. So I watched the NASA press conference and here is what it was about. It...
  8. Pi R Squared

    Power and Water, how often do you have an outage?

    Right now where I am we are having a terrible windstorm, the wind is gusting to 50mph with 25-35mph sustained winds, this is all through the puget sound area of Washington state. The high wind warning is in effect until 6:00pm pacific time. This is bad here because I am deep in the forest and...
  9. Pi R Squared

    12 mile high spaceport!

    I have seen this in the news several times in the last several days, it looks like they are serious about this and claim it can be built for only about $5 billion dollars. They want to do a one mile high demonstration tower first to prove the technology, maybe in only 3 to 5 years. You may ride...
  10. Pi R Squared

    Image size in your posts.

    I would like to remind people here that not everyone is using a desktop or laptop windows computer. Many here are using a netbook or tablet or smartphone and don't see things the same as you. When you post a huge gigantic photo it can make the thread useless to some people, especially tablet...
  11. Pi R Squared

    Countries of LPF. Where are you?

    Since LPF is a very global forum with members from around the world, I thought it would be interesting to see how many countries are represented here. I have noticed that Africa is not well represented here, I know we have two members from South Africa, but they have not been active for a few...
  12. Pi R Squared

    World refugee day 2015

    Today June 20 is world refugee day, June 20 every year since 2001 is a day to remember those forced to flee from war and persecution and those who help them. Today more than ever we need to be aware of what is going on in the rest of the world. I watch television news from 8 different countries...
  13. Pi R Squared

    Bus stop sniper prank video

    I just found this on YouTube, I see it was uploaded more than a year ago so sorry if you've already seen it. The channel posts other prank videos and I am sure some idiot thought this was funny. I don't find it funny at all, I am sure those of you who have been riding buses for years won't think...
  14. Pi R Squared

    Safety glasses, one for all WL.

    There are safety glasses being sold that claim to cover the visible spectrum + UV and IR. :wtf: I am not believing this, even at OD 1.5+ and V.L.T. 10% I don't see how this can work. They are from China so it could be more Chinese BS like we often get with the power of lasers. They aren't real...
  15. Pi R Squared

    URGENT: Tracking IMG in posts!

    A few days ago I noticed that someone discovered that new member "darlene" was placing a hidden image in every post: http://rockbullet.tk/90/o.png/ It is a common practice to place a hidden image in email to track who opens the email and how many times they open it. Someone is doing this on LPF...
  16. Pi R Squared

    iPad users and mobile sites!

    Earlier yesterday when browsing LPF on my iPad I was very disappointed to suddenly see the screen change back to the mobile site again. I see now it is fixed and has the missing things in place, am sure it will help some people who are using their phones and I know we all appreciate Avery...
  17. Pi R Squared

    Exploding E-cig

    I was just listening to a radio station in Los Anngeles and during the news break they had a story about a man injured by an exploding E-cig :wtf: so I get online and find this: Anaheim Hills Teen Injured by Exploding E-Cig | NBC Southern California :wtf: looks like it's not the first time! And...
  18. Pi R Squared

    Can't believe what AixiZ did!

    Ok so I recently purchased 3 lenses from AixiZ and was waiting for a few days. I'll go ahead and make a short story longer since I have nothing better to do right now. After I completed my third and last build of 2014, in November I purchased a host from Ed Crouse after he lowered the price when...
  19. Pi R Squared

    FroliCat BOLT Laser Cat Dog Toy

    I was just looking at a laser someone mentioned in another thread and scrolled down the page and found a link to this entertaining item: Frolicat Bolt Interactive Automatic RED Laser Pointer PET CAT DOG Exercise TOY | eBay I had never seen or heard of one of these, it has been a few years since...
  20. Pi R Squared

    iPad problems on LPF

    Does anyone else here besides me use an iPad? When I am posting I always use my Windows computer, but at least several times a day I pick up the iPad just to read the latest posts here but it is getting to be more and more of a problem. When viewing with an iPad one of the ad networks always has...




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