Uncategorized
- Physics
A tractor beam reels in objects with sound
A tractor beam of focused sound waves has pulled on an object as large as a Toblerone chocolate bar.
- Psychology
How string quartets stay together
New data tracking millisecond-scale corrections suggests that some ensembles are more autocratic — following one leader —while other musical groups are more democratic, making corrections equally.
- Ecosystems
Do your bit for bumblebees
The Xerces Society for Invertebrate Conservation and its partners have launched the Bumble Bee Watch website to track sightings. When you see a bee bumbling around, snap a photo.
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