[ADVICE] Beginners Bonsai owner of Satsuki Azelea. My Bonsai tree seems to be losing leaves and wilting despite watering it and keeping the soil and tree moist. I also have the window open to allow oxygen and some sunlight but not the beating heat. Any help and advice would be appreciated.

[ADVICE] Beginners Bonsai owner of Satsuki Azelea. My Bonsai tree seems to be losing leaves and wilting despite watering it and keeping the soil and tree moist. I also have the window open to allow oxygen and some sunlight but… Continue Reading

High-carbon liquid steel ‘boiling’ out of an arc furnace after being injected with too much oxygen (full video in comments) [xpost /EAF] [480×272]

High-carbon liquid steel ‘boiling’ out of an arc furnace after being injected with too much oxygen (full video in comments) [xpost /EAF] [480×272]

Two German oxygen canisters in wooden case believed to have been used by German military hospital or first aid post during World War 1, c. 1914-1918. [4256×2832]

Two German oxygen canisters in wooden case believed to have been used by German military hospital or first aid post during World War 1, c. 1914-1918. [4256×2832]