Here’s What It Means If You See Tiny Triangles on Stairs

But the first time I noticed a tiny metal triangle tucked into the corner of a staircase, I couldn’t stop staring. It looked ...
C&EN

Predictions of Entropy and Gibbs Energy for Carbonyl Sulfide

State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, Sichuan, People’s Republic of China ...