Scientists used tiny bursts of pink noise during sleep — and changed the waves that move fluid through the brain

Your sleeping brain is not quiet. Electrical waves roll across it, blood vessels rhythmically change size and cerebrospinal ...

Your brain washes itself during deep sleep. MIT found that a 50-millisecond burst of sound makes the wash stronger

A pink noise track playing all night does not do this. The effect depended entirely on when the sound arrived. The post Your ...
Earth.com

Tiny sounds can make fluid waves larger in the sleeping brain

Carefully timed sounds can make fluid waves larger in the sleeping brain, giving researchers a new way to study how brain activity and CSF flow are connected.
Phys.org

How sound and light act alike—and not—at the smallest scale

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in Leiden has produced new insights that could be applied in 5G devices and the ...