Ultrafast photonics is the study of light and its interaction with matter on short timescales, typically less than a picosecond. This includes investigating processes that occur in atoms and molecules ...
Giant panda Yi Yi waits to board a plane at the Kuala Lumpur International Airport in Sepang, Malaysia, Aug 29, 2023. Giant panda cubs Yi Yi and Sheng Yi returned to China late on Tuesday, bringing ...
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