September 24, 2002 |
Ask botanists why they draw plants instead of photographing them and they'll tell you that you can't understand how a plant works until you draw it. Form follows function. Ask science publishers why they so often prefer illustrations to photographs and they'll say the artist can subtly emphasize traits that are critical to identifying a plant.
April 13, 1998 |
After sending autonomous machines to explore the surface of Mars, engineers at Jet Propulsion Laboratory and around the country are building a robot to venture into equally inhospitable territory--the interior of Chernobyl's exploded nuclear reactor. The radiation level inside the reactor that melted down 12 years ago this month is so high that it would take only seconds to absorb more radiation than it is safe to be exposed to over an entire year.
July 5, 2013 |
This post has been corrected. Please see below for details. For more than 20 years at UC Irvine, Dudley Knight devised innovative and sometimes controversial ways of teaching acting students to speak clearly while lending their characters authentic, unforced accents and dialects. Knight, who had retired 10 years ago to Pennsylvania, returned to the campus last month to begin rehearsing his role as King Lear in an outdoor summer festival production of the Shakespeare tragedy.
July 21, 1992 |
Allen Newell, a pioneer of artificial intelligence and cognitive science, died Sunday of cancer. He was 65. Newell was a professor of computer science at Carnegie Mellon University for about 30 years. His idea that computers could be programmed to solve the same problems as humans helped establish the field of artificial intelligence.
February 6, 2014 |
Shooters armed with assault rifles and some knowledge of electrical utilities have prompted new worries on the vulnerability of California's vast power grid. A 2013 attack on an electric substation near San Jose that nearly knocked out Silicon Valley's power supply was initially downplayed as vandalism by Pacific Gas & Electric Co., the facility's owner. Gunfire from semiautomatic weapons did extensive damage to 17 transformers that sent grid operators scrambling to avoid a blackout.