Desert Sun Lamps! | My least healthy lights yet?

I have some fluorescent lamps that look ordinary - but they are not! They are designed to simulate sunlight in a desert.
What makes them different and why were they designed like that? It is actually a dilemma of life. Let's explore it!

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#FluorescentLamp #FluorescentLight #Ultraviolet

[isaacthedestroyerofstuped]

As a desert lizard stuck inside a room, I greatly appreciate these lights.

[dhawthorne]

Lamps like these have been used to help children in arctic and sub-arctic regions as well. I found an article about it decades ago. There was a picture of a one room schoolhouse with a bunch of kids standing around a giant mercury lamp in nothing but their underclothes. It was apparently mandatory in some places to prevent bone issues.

[delawarepilot]

You would love the UV lamps we make. 72” 46, 800 watts. I’ve gotten sunburned from just a few seconds of light reflecting off of the floor.

[Cyberguy]

9:04 I noticed the box states: "Unlike people, reptiles require UV-A rays to be able to perceive their surroundings effectively." I hadn't heard that before, but from what I can find it is true, at least for some reptiles.

[christopherleubner]

I use these to help plants get ready for outside after starting them indoors over winter and early spring. It helps avoid sunburn.❤

[LtKernelPanic]

Used those bulbs for many years when I had a box turtle in an indoor enclosure. You needed to replace them every 6-9 months due to the UV output dropping over time. A proper UV bulb is required for most reptiles kept in indoor enclosures.

[hugmynutus]

Went to college in a place where we don't see the sun for 6 months (clouds & snow). Therapists would commonly prescribe short tanning lamp treatment as a first step for depression treatment. Worked for a lot of people.

Given the choice between possible skin cancer and certain liver failure, most picked the former.

[Aaron]

I noticed one of the bulbs is an Arcadia bulb. A few years ago, Arcadia bulbs were difficult to find in the US. However, they are supposed to be much better quality reptile bulbs than other brands such as Repti-sun and Exo-terra. As a note, some rain forest reptiles also require these type of bulbs as well.

[techsbyglebbagrov]

Thanks for enLIGHTening us with the science everyone can understand!

[thecoffeeblog]

Once I worked next to a black light bulb for a few hours while I was purifying water for an experiment for my undergrad thesis. I got the worst sunburn of my life without even noticing it.

[Elias-byxf]

The exposure to ultraviolet B (UVB) light is necessary for humans as it plays a crucial role in the production of vitamin D in the body. Vitamin D is essential for bone health and is involved in various functions such as calcium regulation and immune system health.

The primary source of vitamin D for humans is through cutaneous synthesis, which occurs when the skin is exposed to sunlight, particularly UVB radiation. When the skin is exposed to this radiation, an inactive form of vitamin D is converted into an active form that can be utilized by the body.

However, the recommended amount of UVB exposure may vary depending on factors such as geographic location, season, skin color, and sunscreen use. Generally, experts recommend exposing a significant area of the skin (such as arms, legs, and face) to the sun for about 10 to 30 minutes, two to three times a week, to obtain adequate vitamin D.

To ensure the presence of UVB, the shadows should be shorter than the height of the person. UVB radiation is most effective when the sun is at a certain angle in the sky. When the shadows are shorter than the height of a person, it indicates that the sun is high enough in the sky, allowing for a higher concentration of UVB rays to reach the skin.

It is important to note that excessive exposure to UVB radiation can increase the risk of sunburn, premature skin aging, and even skin cancer. Therefore, it is essential to find a balance between adequate exposure for vitamin D production and protecting the skin from sun damage.

In cases where sufficient sun exposure is not possible, obtaining vitamin D through diet or vitamin supplements may be necessary. Always consult a healthcare professional for specific guidance on the recommended amount of UVB exposure based on your location and individual circumstances.

[laurensa.]

It said 'only for reptiles' in the beginning of the video. The title and your channel told me the entire story from that.

[KClO]

Sealing Molten sulfur in glass ampule creates a sulfur vapour inside making it glow a brilliant blue cyan near a Tesla coil, maybe you could test it out? I've got some pictures too

[paultinkle]

I know nothing about lighting or lazers or Denmark but these videos are amazing. Hypnotic and informative

[WolferAlpha]

metal clips have another problem, it shortens the lifespan of the fluorescent lamp, if you notice with time of use where the clip is, it starts to turn black

[Ucceah]

this reminds me of that one case, some years ago, where a club in china celebrated it's grand opening with a black light party, only lit with 60W UV-C tubes. they sure looked amazing, but...

[philh.]

I really love this channel… I remember the time when you where able to answer to every single comment XD
I’m really proud that I found this channel so many years ago

[Laralinda]

Thanks for this video! I hoped that you cover this topic with the UV-B lamps! I have heard that the UVB-content decreases over time and you have to replace the lamp after a year or so. People with no equipment but their eyes don't have a chance to see the "expiration" of the UVB part of these lamps. It still shines bright, though, in the rest of the spectrum.

[cringemaki]

Brainiac in 2026: Testing some X-ray and transmitter vacuum tubes to see if they emit UVB.
Ngl it'd be a great project.

[alanhyt]

That would be something that people in my region might purchase. I live in NW Washington state, USA. We have 9-10 months cloud cover, so we get insufficient sun exposure. We suffer from Seasonal Affective Disorder, get Multiple Sclerosis at a higher rate than others, etc. Our physicians often recommend that we take vit D supplements, fish oil, and other over the counter products to combat it.
This video is especially helpful for us! Thanks so much!