If you head to Yosemite National Park this time of year and stop by Horsetail Fall at just the right time, you might see something spectacular: As the sun sinks low in the sky, the waterfall glows with streaks of gold and yellow — and it looks just like molten lava.
Photographers like Michael Frye flock to the park every February to try to capture the phenomenon. Frye, author of The Photographer's Guide to Yosemite, describes the sight to NPR's Audie Cornish.
Modern computer games and their fast-paced graphics require an incredible amount of computing horsepower. So much, in fact, that the kinds of chips commonly used for gaming are now being built into some of the world's fastest supercomputers.
If you're a serious gamer, if realistic, detailed graphics get your pulse racing, you should write Jen-Hsun Huang a thank-you note.
A sweeping transportation bill being debated in Congress addresses how to prop up dwindling funds for the nation's aging highways. States with their own budget shortfalls are facing the same challenge. In California, researchers are trying to stretch those resources by developing next-generation pavements that are quieter and more fuel-efficient to drive on.
The words "black market" usually summon images of drugs, guns or pirated DVDs — not tubas. Yet authorities in Los Angeles say the instrument is in such high demand that the black market may be what's driving a wave of local tuba thefts.
Ruben Gonzalez is teaching an after-lunch band class at the scene of one recent tuba crime — the music room at South Gate High School outside L.A. He starts with a request only a band teacher would make.
"Make sure we rinse out folks — we don't need any hamburgers or hot chilies coming through those instruments," he says.