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After decades of speculation, physicists finally confirm the existence of time mirrors

Physicists have experimentally reversed electromagnetic waves in time, confirming a theoretical prediction that has stood for ...

A step toward time travel? Physicists reverse waves in time

Scientists are engineering electromagnetic waves to retrace their temporal paths, a breakthrough in wave physics. This 'time ...
TMCnet

Ai2 Releases Molmo 2: State-of-the-Art Open Multimodal Family for Video and Multi-Image Understanding

Molmo 2 comes in three main variants: Molmo 2 (4B), Molmo2 (8B), and Molmo 2-O (7B), which uses Ai2's fully open Olmo backbone for the complete end-to-end model flow. Versions tuned specifically for ...
JSTOR Daily

Biotic vs abiotic controls on temporal sensitivity of primary production to precipitation across North American drylands

Vol. 231, No. 6, Virtual Issue: Filling gaps in our understanding of belowground plant traits across the world (September 2021), pp. 2150-2161 (12 pages) • Dryland net primary productivity (NPP) is ...