Original Video Credit: IG/namayeshgah_cheragh Long before LEDs and battery powered lights, pressurized lanterns like the Petromax could produce an astonishing amount of illumination using only kerosene and clever engineering. The process begins with the rapid heater, which creates a powerful blue flame beneath the generator tube. This preheats the metal components so liquid kerosene can be converted into a vapor before entering the burner. Once the generator is hot enough, the main valve is open

Painting 11 in the dirty minded series :) If you’d like a smaller, more affordable original before the dirty minded releases, I recently released a few cigarette pack paintings I’ve been working on on the side. Four are still available on my website 🫶 And join my email list for early access before the public release in August!! Thank you so much for the support 🫶🫶 #dirtyminded #oilpainting #girlhood #malegaze #misogyny

How Ancient Humans Created the First Grinding Machines