You would think after 12 years of making videos that I have an idea of how much work is needed to make a video idea come true.
Nope... I thought a video about measuring a laser beam's diverge...
2021-05-28 18:18:00 +0000 UTC View Post
In my April video here in Patreon, I showed you the 400W UV cannon. Odd in many ways, but an alarming oddity is the warning about 'never touch the plug's contact pins!'
Could this light fixture ...
Oh boy. I want all my videos to be good and successful, but some more than others. Considering ESA asked for my help in this one, I really want it to be and do good.
Hope you will enjoy...
2021-04-23 17:30:01 +0000 UTC View Post
In this Patreon exclusive video, I will give you a closer look on the latest UV light in my arsenal: a UV cannon featuring a 400W high-pressure mercury gas discharge bulb!
This light is crazy...
2021-04-16 18:19:51 +0000 UTC View Post
After failing at finding a way to measure the grade of my largest magnets using a kitchen scale, it is time to go back to basics. I will attempt to measure the grade of my monstrous magnets using a...
2021-03-26 18:16:01 +0000 UTC View Post
I am regularly asked by viewers to test their lasers. But I don't have time to test them all and don't like to be responsible for expensive lasers that aren't my own. Especially when shipping inter...
2021-03-15 17:43:31 +0000 UTC View Post
Sometimes, well... often I get some crazy ideas that I just should leave alone. This may be one of them.
I would like to test if there is any correlation between a magnet's grade and density....
2021-02-26 18:46:01 +0000 UTC View Post
I am often asked why I wear gloves while handling large magnets. There are several reasons: Avoid small pinches, avoid nickel allergy, avoid cuts or splinters from tools handled near the magnet and...
2021-02-14 13:57:42 +0000 UTC View Post
Last year I bought a new garden decoration laser. Yes... I've already got four of them, but this one stood out since it is labeled class 3R. Stronger than my current ones in class 2!?
Perfect...
2021-01-29 18:17:00 +0000 UTC View Post
Back in January 2020 I upgraded the firmware on my RadiaScan-701A geiger counter and filmed it. Then 2020 happened and I forgot about the recordings... until now.
Here's my experience on how ...
2021-01-24 18:49:53 +0000 UTC View Post
Final video of 2020! A special one where I try some DIY when building and testing a beam dump.
A device that is strongly recommended if you regularly use class IV or even class IIIb lasers. Kind...
Let's be honest. 2020 was a horrible year, but I want to focus on something positive in this final Patreon exclusive post of the year.
For the third year in a row I managed to release a video...
2020-12-27 16:26:54 +0000 UTC View Post
I have a feeling that this winter will be particular dark and the holidays not so jolly as we are used to. My humble contribution to 'lighten' the mood is a video showing the fun and beauty of fluo...
2020-11-29 18:33:21 +0000 UTC View PostThanks to a massive effort from one of my Danish, long-time patrons, Klaus Andersen, I now have an English transcript of my recent TV appearance. I have attached it as a PDF-file.
Big thanks to ...
This is mostly for those of you who understand Danish....
I recently had a crew from the local TV station visit me at both my day job and at my home/studio. After around 5 hours of filming, ...
Time to find out what happens when a big magnet comes close to a plasma globe.
Will the plasma filaments follow the magnetic field? Will nothing happen or something completely different?
<... 2020-10-30 19:20:36 +0000 UTC View Post
Well, this is new to me. I will actually have a video ready a day before planned. So the new video will be released tomorrow in stead of October 31st as announced earlier.
Hope you are ready to ...
I really need to make a video about vortices. They are one of the beauties of nature.
I was reminded of it when I recently stumbled upon a table lamp in the local supermarket.
A 'tornado' ...
After giving you something to think about in the poll about the brightest laser, it is time to show you how to calculate lumens (and lux) from a laser to find the answer.
It is relatively easy f...
Has anyone figured out how to bypass that arbitrary limit of 24 hours a day? Looks like I may not have time for a bonus video this month...
But I can give you a little teaser on the subject o...
2020-09-19 17:59:01 +0000 UTC View Post
Time to bring some public attention to the risk of using green DPSS lasers in the cold.
I know green lasers are used to point out stars on frost-clear nights, and Christmas decoration lasers ...
2020-08-30 17:18:55 +0000 UTC View Post
Wow, where did first half of August go? Ah well, you're never bored when time flies by so fast.
Here's a bonus video featuring some outtakes and bloopers from my latest public video. What loo...
2020-08-23 14:12:12 +0000 UTC View Post
On the internet there are a lot of quotes and videos on how bananas are radioactive and Brazil nuts are the most radioactive you will eat.
I would like to put things in perspective with my ow...
2020-07-31 17:35:01 +0000 UTC View Post
In this Patreon exclusive for patrons I will test some laser related items donated by... patrons.
Thanks to Piter Soft for sending a home-built laser based on a laser diode from a DVD burner....
2020-07-10 15:25:18 +0000 UTC View Post
This is a video I have hesitated to make. But it is a video that is fitting for my channel and answers a question I occasionnally get from viewers (and ask myself): Can the grade of a magnet be mea...
2020-06-28 17:17:05 +0000 UTC View Post
Just a quick bonus video with some extra details and behind the scenes from my latest video. But also a little teaser for my upcoming video...
My world is crazy right now, but I hope to relea...
2020-06-21 14:33:08 +0000 UTC View Post
This should have been a short and simple video, where I test the accuracy of the new spectrometer with some lasers. But I got excited, carried away and ended up testing a lot of lasers - including ...
2020-05-30 18:16:29 +0000 UTC View Post
As mentioned in my previous post, I will test the Hercules-400 laser on the laser power meter. I bought the power meter a long time ago but have hesitated to power test the Hercules. I am simply wo...
2020-05-27 17:44:46 +0000 UTC View Post
In my next video, I will test the wavelength of all the laser colors I have in my collection. I will use the new spectrometer unboxed in the last Patreon video.
It will therefore also be a pr...
2020-05-23 16:53:06 +0000 UTC View Post
I'm spent... This video was originally planned to be a relatively simple and short niche video showing the magnetocaloric effect with gadolinium. But over time it expanded to be a more broad view o...
2020-04-30 17:47:40 +0000 UTC View Post