Why drones are surveying Indian villages
The Svamitva scheme seeks to use drones to map out landholdings in inhabited rural areas. But so far, work has been opaque ...
Self-imaging of structured light in cylindrical systems unveils a new form of space-time duality
Photonics researchers from Tampere University, Finland, and Kastler-Brossel Laboratory, France, have demonstrated how ...
The polar vortex is acting weird and the US is paying the price this winter
It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...
Plasma arc cutting: Scientists decode gas flow dynamics
Plasma arc cutting (PAC) is a thermal cutting technique widely used in manufacturing applications such as shipbuilding, ...
eLife21h
Iridescent structural coloration in a crested Cretaceous enantiornithine bird from Jehol Biota
The referred specimen of the enantiornithine bird Shangyang sp. (IVPP V 26899) was recovered near La-Ma-Dong Village in Jian-Chang County, within the Jiufotang Formation (dated ∼120 Ma). It can be ...