- Check out "A folded mechanochromic organic fluorophore based on thianthrene-fused coumarin" by Masafumi Ueda, Asuka Uehara, Kazuteru Usui and Masashi Hasegawa As featured on the back cover of issue 7! Read the #OpenAccess communication here 👉 buff.ly/zkaOhwAJan 29, 2026 10:01