Technology
Key Moments in the Laser's First Half Century
Former Hughes Aircraft Company researchers Daniel Nieuwsma and Bob Byren recall the birth of the laser and the past three decades they have spent taking the technology in new directions
Features1827 articles archived since 1845
Technology
Securing the Smart Grid
The grid's flow of data is supposed to improve energy delivery but must be protected from hackers' prying eyes
Automobiles
Plug-In Formula Hybrid Racers Run the Gauntlet [Slide Show]
Italian racing team takes victory lap at this year's Dartmouth Formula Hybrid International Competition
Environment
Behind the Light Switch: What Will a Smart Grid Look Like? [Slide Show]
A nut-and-bolts, transformer-and-cable view of the power grid as it gets smarter
Mind & Brain
169 Best Illusions--A Sampling
You won't believe your eyes when you see these visual illusions
Environment
The Start-Up Pains of a Smarter Electricity Grid
The smart grid will save energy and money, but implementation may prove costly
Space & Physics
Astronomers Could Soon Find Moons Outside the Solar System--Even Habitable Ones
Ewoks and the Na'vi may be pure fiction, but Endor and Pandora, the moons they inhabit, appear closer to reality
Health
Birth of a Bond: Illustrating a Year of Mother and Baby Development
From embryo to infancy, biologically accurate illustrations from theVisualMD.com illuminate changes in mother and baby as the two grow and develop together
Mind & Brain
Mothers' Depression Can Go Well Beyond Children's Infancy
Many mothers continue to have depressive symptoms well into their child's youth, which can have lasting impacts on their children's development, but new research shows short therapy sessions can improve outlook...
Space & Physics
Southern Hemisphere's Largest Telescope Hamstrung by Optical Problems
As South Africa angles for a massive telescope project, its own SALT telescope has been offline for a year
Biology
How Breastfeeding Benefits Mothers' Health
Feeding infants with breast milk has been shown to improve baby health and even IQ, but the benefits of breastfeeding also appear to stay with mothers for years to come, lowering risks of cardiovascular disease and cancer...
Biology
Beyond Birth: A Child's Cells May Help or Harm the Mother Long after Delivery
In addition to all of the nutrients flowing from mother to fetus, some of the developing child's cells pass back into the mother's body. New research shows how this fetal microchimerism may affect long-term health...
Environment
Arctic Beauty in Black and White: Alaska Before the Effects of Global Warming [Slide Show]
Photographs from the World War II era not only helped to map northern Alaska but also captured its majesty
Technology
Green Tech Wilting Under Patent Office Scrutiny
The USPTO has fast-tracked only one third of requests made to its Green Technology Pilot Program
Health
The Future of Your Medical Data
How health data is becoming better connected, a la Facebook, changing the way patients, doctors and institutions interact
