Fight board
T.v. antenna unlikeany other,
https://drive.google.com/file/d/1y9M...ew?usp=sharing
floating valves not giving feedback to each other.
No missing signals
from the air,
no blurred signals
on the air.
Tesla is smiling. (From there).
Beeps and bums
and burning lights,
smokes and thunders
and delights,
currents, voltages
through air,
sparks and arcs
but no despair.
Tesla is smiling. (From there).
Yesterday a burning light
flawlessly hovering at night,
a message carrying to the site:
"Tesla is smiling". (From height).
The Syncro Heresy
The Syncro Heresy
light exposure poses a great risk of retinal injury in
awake,
task-oriented rod-dominant animals. The wavelength-
dependent effect should be considered carefully when
switching to LED lighting applications."
The above is from this white paper:
"Light-emitting-diode induced retinal damage and
its
wavelength dependency
in vivo
Yu-Man Shang
1
, Gen-Shuh Wang
1
, David H. Sliney
2
, Chang-Hao Yang
3,4
, Li-Ling Lee
5
Q:Led, lasers, xenons are detrimental for our eye RETINA vs halogens which are not. Please, elaborate.
A:The assertion that LED, lasers, and xenon lights are more detrimental to the retina compared to halogen lights is a complex topic that involves understanding how different light sources interact with our eyes and the potential risks associated with exposure to certain types of light.
### Light Sources and Eye Safety
1. **Halogen Bulbs**:
- Halogen bulbs are a type of incandescent light that generates light through a heated filament and are generally considered to produce a softer, warmer light. They emit a continuous spectrum of light, which is relatively easy on the eyes.
- While halogen lights can still present risks regarding heat and UV radiation, they are less intense compared to some other light sources.
2. **LEDs (Light Emitting Diodes)**:
- LEDs are highly energy-efficient and have a long lifespan. However, they can emit a high-intensity blue light and may contribute to digital eye strain when used in screens and devices. Prolonged exposure to blue light has raised concerns about retinal damage, although conclusive evidence in humans is still under research.
- The potential risks associated with LEDs are particularly relevant in cases of high-intensity exposure or in close proximity (such as staring at screens).
3. **Lasers**:
- Lasers emit highly focused and intense beams of light that can pose significant risks to the retina if viewed directly. The concentrated energy of a laser can cause immediate damage to retinal tissues, leading to permanent vision loss. Thus, laser safety is a critical concern in many applications, from medical uses to industrial settings.
- Most lasers emit light in specific wavelengths that can be harmful; exposure should be carefully controlled to prevent damage.
4. **Xenon Lights**:
- Xenon bulbs are powerful and typically used in applications such as automotive headlights and projectors. They produce bright, white light with a high intensity and emit a significant amount of UV radiation.
- The intense light from xenon bulbs can potentially lead to discomfort or glare, and prolonged exposure to the UV component without adequate protection might increase the risk of retinal damage and other eye conditions, such as cataracts.
### Conclusion
While halogen bulbs are generally perceived to be less harmful to the retina compared to LEDs, lasers, and xenon lights, it’s essential to consider the specific contexts in which these light sources are used.
- **Intensity and Exposure**: The potential for retinal damage generally correlates with light intensity and duration of exposure. LEDs and lasers can pose risks if not used properly, while halogen lights are often seen as safer for general use.
- **Protective Measures**: It is crucial to take protective measures, such as wearing sunglasses that block UV light when exposed to high-intensity light sources and taking breaks from screens to reduce digital eye strain.
Though halogen bulbs are considered safer in many common uses, any artificial light source can pose risks under certain conditions, so understanding how and when to use each type of lighting effectively is essential for eye health.
Q:Do you know that a lot of white papers recognize that lights of the same density and frequency are not equal in terms of the retina health? Leds, xenons, lasers, have an internal implementation of the blue frequency which causes retina cells apoptosis when the halogens, with a plain glass as uv filter, (which is used almost always), do not?
A:Yes, there is ongoing research in the field of photobiology and ocular health that examines how different types of artificial lighting, notably LEDs, lasers, and xenon lights, can affect retinal health and potentially contribute to cellular damage or apoptosis (programmed cell death) in retinal cells.
### Differences in Light Sources
1. **Blue Light Exposure**:
- **LEDs**: Light-emitting diodes (LEDs) often emit higher levels of blue light, which has been associated with potential risks to retinal health. Some studies suggest that prolonged exposure to blue light, particularly at high intensities, may contribute to oxidative stress in retinal cells and could lead to retinal damage or conditions like age-related macular degeneration (AMD).
- **Lasers**: Lasers emit highly concentrated beams of light, and the specific wavelength of the laser can be damaging to the retina if exposure occurs. Certain wavelengths, especially in the blue-violet range, can be particularly harmful.
- **Xenon Lights**: Like LEDs, xenon lights also emit a significant amount of blue and UV light, which can pose a risk to eye health over prolonged exposure.
2. **Halogen Bulbs**:
- Halogen bulbs, while producing visible light that can include some spectrum in the blue range, typically do so in a more balanced manner compared to LEDs. They use a filament and emit light that is warmer in tone (often described as a soft white light), which may have a lower intensity of blue light relative to many LEDs.
- Additionally, halogen bulbs are often encased in glass that filters out a significant amount of UV radiation, reducing the overall risk of UV-related retinal damage.
### Research Findings
- Various studies and white papers have explored the effects of different wavelengths of light on retinal health, indicating that the specific spectral characteristics and intensity of the light matter significantly in assessing potential risks.
- The broader consensus is that while all strong light sources can pose risks depending on exposure, light sources with higher blue light emissions, like many LEDs, have garnered attention for their specific impacts on retinal health.
- The role of protective measures, such as using proper eye protection, is emphasized to mitigate these risks from various light sources.
### Conclusion
In summary, you are correct that not all light sources of the same intensity or density are equal regarding their impact on retinal health. The differences in spectral composition—particularly the presence of blue light and the potential for UV radiation—play a critical role in the health effects observed from various lighting technologies. Halogen lighting tends to be seen as less potentially harmful due to its lower blue light emission and UV filtering properties, compared to LEDs, lasers, and xenon lights. However, it is always prudent to consider overall exposure and take appropriate steps to protect eye health, regardless of the type of lighting used.
Honest answers but with a motive to protect, as far as possible, the leds!
28 April 2025
Even better!
07 May 2025
The scenario goes like this:
someone has a rare car, (one of~500 produced), of a big manufacturer, which is based on popular models, million units sold, which is an historical car, and, as such, expensive and rare parts needed to service and retain the perfect condition it has to be.
Yes, but, according to my experience, the things work the opposite way! Since the Passat g60 Syncro, (my Passatitsa), is rare but covered under the millions of Passat b3/b4 and Syncro various models and editions sold, which now are abandoned, any spare part, even the rarest, are easily and economically available!
F.ex., because of my fault, the a/c condenser is broken. This condenser, (vw 357820413A), is made for freon 12 refrigerant, the total system, having a capacity of 1200 gr., (or 1050 gr. for 134a refrigerant), and worked perfectly for 20 years after the mandatory retrofit to 134a.
It has 15 serpentine rows and, working with 134a refrigerant and a Sanden sd-709 compressor, gives ~ 1°C - 2°C output the way it has to be measured, (climatronic).
The initial price of it, the original, as new , was ~ 600€. Now sells ~ 50€ - 100€ !
The tricky point is, that when the norm about the a/c refrigerant changed, (at the distant 1993), the b3 series substituted by the b4 series. So the b3 Syncro Passat never received the condenser for the 134a refrigerant! But the chassis, strangely enough, is ready for the 3A0820413A, (134a refrigerant), condenser with the higher capacity of 17 serpentine rows, (1150 gr. vs 1050 gr. of the 357820413A).
(To add to the confusion, the above condenser has the code number of 357820413c for some models).
In this manner, a very rare car, has a vast availability, not only for the, standard, freon 12, condensers but even for the updated refrigerant 134a style, at prices between 50€ and 130€, at most!
To support the first -ever on car model climatonic, which works perfectly, 35 years after!
(An ultra rapid output is expected from the new, updated, condenser, which was the O.E.M. unit for the next models with the same, (9.5''³/rev) or with the weaker, (7,5''³/rev), variable, compressor).
12 May 2025
#1 Here are the two condensers with their differences:
Quel jolie petit point!
#2 Grok! (AI, the most clever, discussions).
(Scroll down, please).
They thought that it is possible to limit my discussion time and that I must communicate again 23 hours after! Please, make me a favor...(better to put your 38 natural gas generators at their maximum, constantly!).
09 June 2025
The Big Bang Theory had an additional BANG and is, now, abolished!
The ONLY touchable reality is The Multiple Urchins Theory!
Please, do not try to understand!
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