Generating record-speed waves on extremely water-repellent surfaces
Ripples, like ones produced by raindrops falling in a puddle, are also called capillary waves. Studied since antiquity, they ...
A wet and gloomy day, but February is half over
It was a wet day, Saturday, a day of gray clouds and cold rain, but winter in the District would probably not be the season ...
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What to Photograph With Your Smartphone on Rainy Days
Rainy days provide numerous opportunities for unique shots thanks to reflections, puddles, and raindrops. Don't shy away from ...
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The water cycle. 2: Raindrops, rivers and recycled water
The second of two sessions exploring the water cycle - the way the water on ... 1: Warm up: Skipping through the spaces, dodging the raindrops. 2: Rivers, streams and lakes: Travelling slowly ...