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Examining a nanocrystal that shines on and off indefinitely

In 2021, lanthanide-doped nanoparticles made waves—or rather, an avalanche—when Changwan Lee, then a Ph.D. student in Jim Schuck's lab at Columbia Engineering, set off an extreme light-producing chain reaction from ultrasmall ...

Exploring the physics of gummy candy

For gummy candies, texture might be even more important than taste. Biting into a hard, stale treat is disappointing, even if it still carries a burst of sweetness. Keeping gummies in good condition depends on their formulation ...

Can a city store as much carbon as a forest?

A team of researchers at Aalto University has developed a new tool to help urban planners keep urban developments in line with climate goals. The tool provides a metric that planners can use to improve carbon-neutral planning ...

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