JDN Profile picture
18 Oct, 6 tweets, 2 min read
Wow what a rabbit hole, from LES Traffic lights to Pressure Gas Lamps. Lighting is sketchy. And has come a very long way... or has it?
LED Traffic lights. The pros, cons and solutions.

"Hurricane" Lanterns and how enclosed gas lamps work.

The next evolution of gas lamps, Gas Mantel Lamps! They bright. And ingenious beyond all reason😃

And finally our modern day Pressure Lanterns and how these are an amalgamation of all the old lamp tech put together, for on-the-go!

Dammit... #LED

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More from @Justweeterin

2 Sep
Lies people tell about #Water
Part: 1

"We can find charlatans peddling #snakeoil in a wide variety of spheres, but there are quite a lot of lies that are told specifically about water. It's such a ubiquitous substance, everywhere around us, and inside of us,
and since we need it to survive,it's fertile grounds for #pseudoscience. What kinds of lies do people tell about water?There are many colorful examples we will cover,but this first part will focus on the main #conspiracy surrounding water & that is the fluoridation of tap water.
From government mind control to neurotoxic effects, there is no shortage of #misinformation associated with this incredible achievement of modern society, so let's run through the most common talking points and see what they're all about, shall we?
Read 11 tweets
24 Feb 20
What's in a name?
Why @WHO's formal name for the new #coronavirus #disease matters:

time.com/5782284/who-na…

#COVID19 #Covid_19
1. Wash your hands often and/or use hand sanitizer more frequently.

2. Try not to touch your face... 🙈

3. Cough into your shirt or arm.

4. Stay home when you are sick.

5. WASH. YOUR. HANDS!

#COVIDー19
#COVID19
#coronavirus

toronto.citynews.ca/video/2020/02/…
Read 12 tweets
16 Dec 19
Joanna D. Haigh talks about the
#Sun, #SunSpots and #SolarActivity. She speaks and the elliptical #Orbit of the #Earth, the thousand of year cycles and the #ElevenYearCycle of Solar Activity, and stratospheric heat from solar radiation. 👇👇👇

#ClimateChange #ClimateScience
Solar Variability and Climate

Radiative forcing of #ClimateChange:

Read 6 tweets

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