"TIL The inventor of the television was a 15 year old farm boy who got the idea for scanning an image in rows from the back and forth motion of plowing a field."
"TIL of Viktor Belenko, the Soviet pilot who defected with the MiG-25 (most advanced Soviet interceptor of its time), who initially assumed that his CIA handlers were keeping him in an elaborate tourist trap made to impress foreigners because he couldn't comprehend the sheer abundance he was seeing."
0
1.
Howard 1 year ago
The Chinese sword has fascinating chemistry.
from Wikipedia
Amount of elements by percentage
Part examined
Copper Tin Lead Iron Sulfur Arsenic
Blade 80.3 18.8 0.4 0.4 trace trace
Yellow pattern 83.1 15.2 0.8 0.8 trace trace
Dark pattern 73.9 22.8 1.4 1.8 trace trace
Darkest regions 68.2 29.1 0.9 1.2 0.5 trace
Edge 57.3 29.6 8.7 3.4 0.9 trace
Central ridge 41.5 42.6 6.1 3.7 5.9 trace
from Wikipedia
Amount of elements by percentage
Part examined
Copper Tin Lead Iron Sulfur Arsenic
Blade 80.3 18.8 0.4 0.4 trace trace
Yellow pattern 83.1 15.2 0.8 0.8 trace trace
Dark pattern 73.9 22.8 1.4 1.8 trace trace
Darkest regions 68.2 29.1 0.9 1.2 0.5 trace
Edge 57.3 29.6 8.7 3.4 0.9 trace
Central ridge 41.5 42.6 6.1 3.7 5.9 trace
0
2.
Bree 1 year ago
#23 - www.youtube.com/watch?v=rRi8LptvFZY
-3
3.
Midge 1 year ago
#7 sure. a lot of "Italian" dishes can be attributed to being created in the US during the depression like spaghetti. Italians didn't do much after their renaissance. covid did them a favor
1
4.
Juanita 1 year ago
#23 And "Coke", and "Kleenex"...
from Wikipedia
Amount of elements by percentage
Part examined
Copper Tin Lead Iron Sulfur Arsenic
Blade 80.3 18.8 0.4 0.4 trace trace
Yellow pattern 83.1 15.2 0.8 0.8 trace trace
Dark pattern 73.9 22.8 1.4 1.8 trace trace
Darkest regions 68.2 29.1 0.9 1.2 0.5 trace
Edge 57.3 29.6 8.7 3.4 0.9 trace
Central ridge 41.5 42.6 6.1 3.7 5.9 trace