Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.
Tech Xplore on MSN
Optical system uses diffractive processors to achieve large-scale nonlinear computation
Researchers at the University of California, Los Angeles (UCLA) have developed an optical computing framework that performs ...
With new evidence that catastrophic climate-change "tipping points" are nearing - from surging sea levels as polar ice melts ...
The sport for protection (S4P) approach is about much more than simply providing opportunities for exercise and recreation. It uses sport as a tool to support children and youth to develop life skills ...
Live Science on MSN
Global warming is forcing Earth's systems toward 'doom loop' tipping points. Can we avoid them?
Earth may be on the verge of crossing several climate change tipping points that could have irreversible and devastating consequences. Here's everything you need to know about these "points of no ...
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