@ianxul.bsky.social
空風や
最後のひと葉
揺れている
Winter’s dry air
Only the last leaf
Is swaying
最後のひと葉
揺れている
Winter’s dry air
Only the last leaf
Is swaying
February 23, 2025 at 3:26 PM
空風や
最後のひと葉
揺れている
Winter’s dry air
Only the last leaf
Is swaying
最後のひと葉
揺れている
Winter’s dry air
Only the last leaf
Is swaying
Reposted
This is the Weierstrauss function, a “monster” that is continuous everywhere but differentiable nowhere. First published in 1872, it prompted scrutiny of assumptions in calculus. Similar functions are used to study random motion and analyze risk. www.quantamagazine.org/the-jagged-m...
January 31, 2025 at 8:29 PM
This is the Weierstrauss function, a “monster” that is continuous everywhere but differentiable nowhere. First published in 1872, it prompted scrutiny of assumptions in calculus. Similar functions are used to study random motion and analyze risk. www.quantamagazine.org/the-jagged-m...
Reposted
Archive photo for #FoldFriday #FridayFold. Soft sediment deformation folding overturning cross-stratified sandstone, picked out by tafoni (honeycomb weathering). Llangollen, Wales. 🧪⚒️
January 31, 2025 at 12:41 PM
Archive photo for #FoldFriday #FridayFold. Soft sediment deformation folding overturning cross-stratified sandstone, picked out by tafoni (honeycomb weathering). Llangollen, Wales. 🧪⚒️