We use light to transmit information, using fiber optics. That's great. But it doesn't work as well as it might in confined spaces—say, on a microchip—because it's tough to control, zipping around as it does at the speed of light.
Recent PostsSelect Topic
Performance-enhancing steroids are the gifts that keep on giving. They help set home-run records and win cycling medals — never mind make for obvious nicknames like the latest instant classic, A-Roid.
Grainy images of a large snake in Borneo's Baleh River have some locals afraid the mythical Nabu snake is back. Is Borneo's 100-foot river snake—reported yesterday by London's Telegraph and captured in photographs (one appears to the left) —real?
Kids with severe peanut allergies were able to eat the food after building up their tolerance with a daily dose of peanut flour, British doctors report today.
Do you live in a neighborhood with a lot of fast-food joints? Be advised: a new study suggests that living in an area densely packed with fast food ups the odds you will suffer from a stroke.
Charla Nash, the woman who was badly disfigured when she was attacked by her friend’s pet chimp earlier this week, has been transferred to the Cleveland Clinic, which specializes in reconstructive surgery.
Fingerprinting and analysis of hair fibers and marks made by weapons are familiar forensic tools to those of us who love crime shows, never mind to criminal defendants on trial and those who say they were wrongly convicted by evidence based on those techniques.
Aerogel, a futuristic-sounding lightweight solid sometimes referred to as "frozen smoke," could one day mop up oil spills like one this week in the Irish Sea and filter wastewater because of its super-absorbent, sponge-like qualities.
Think garbage is a problem on the ground? Out-of-this-world solutions may be needed to get rid of the growing swarm of space trash, including debris from last week's smashup between a Russian and a U.S.
Meteorite hunters from the University of North Texas (UNT) have scooped up what may be two pieces of the object that lit up the skies over Austin on Sunday.
STAFFBehind the scenes at Scientific AmericanRead
Anecdotes from the Archive
Anthropology in Practice
Exploring the human condition.Read
Insights into intelligence, creativity, personality, and well-beingRead
Everything you always wanted to know about raising science-literate kidsRead
Critical views of science in the newsRead
Dark Star Diaries
Explore the science behind the dog in your bedRead
News and research about endangered species from around the worldRead
Frontiers for Young Minds
Science by and for kids ages 8-15Read
Commentary invited by editors of Scientific AmericanRead
Climate science in a changing worldRead
Illusions, Delusions, and Everyday DeceptionsRead
Discussion and news about planets, exoplanets, and astrobiologyRead
MIND Guest Blog
Commentary invited by editors of Scientific American MindRead
Not bad science
New discoveries in animal behavior and cognitionRead
Opinion, arguments & analyses from guest experts and from the editors of Scientific AmericanRead
More than wires - exploring the connections between energy, environment, and our livesRead
Roots of Unity
Mathematics: learning it, doing it, celebrating it.Read
Adventures in the good science of rock-breaking.Read
STAFFIllustrating science since 1845Read
STAFFA science blog, sans blagueRead
Amphibians, reptiles, birds and mammals - living and extinctRead
The Artful Amoeba
A Blog About the Weird Wonderfulness of Life on EarthRead
Exploring and celebrating diversity in science.Read