Graphene Nanopump Zeroes in on the Perfect Ampere
Quantum-dot single-electron pump opens door to defining amp, volt, and ohm on a single chip
Super-Resolution Microscopes Crack the Diffraction Limit
"Saturated transient absorption microscope" reveals nanostructures without dyes or coatings
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IEDs in Iraq, Afghanistan, and Boston
The U.S. Army knows more about countering IEDs than any other organization
A Smartphone App That Takes Your Temperature
The Kinsa Smart Thermometer can also tell you what illnesses are going around your school or community
Boston Marathon: Can Technology Do a Better Job of Finding Bombs?
New sensors can detect explosives by scent and sight
The Lab Beneath the Skin
Induction-powered, splinter-sized device wirelessly transmits data from seven biosensors to the Web
Caveat Researcher: Open Access Spawns ‘Predatory Journals’
Hundreds of journals exist to squeeze author fees out of unsuspecting researchers
With Better Software, Office Buildings Can Cut Energy Use by 30 Percent
A Techwise Conversation with BuildingIQ CEO Mike Zimmerman
Tracking Sulfur Dioxide Pollution: Cherchez la (Gas) Plume
Blame volcanoes, not Asian industry, for most sulfur dioxide pollution. Meanwhile, a new IR camera tracks man-made SO2 emissions
Van Allen Belts: How Little We Knew Ye
NASA probes reveal unexpected dynamism and strange structures in Earth’s radiation belts
Researchers Plant Optical ‘Bug’ in Cancer Cells
Detachable photonic nanocavity probes reveal chemical changes as individual cells migrate and divide
Safe at Home: Historic Datasets Illuminate Animal Navigation
Re-examination of records covering decades sharpens our understanding of how salmon and pigeons find their way home
UK to Build Advanced Metrology Laboratory
£25 million expansion of National Physical Laboratory is part of a £600 million technology
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Surface Plasmon Resonance Spectrometer Crosses Scale Boundaries
Nanoholes have to be smaller than the wavelength; diffraction gratings have to be bigger. This spectrometer has it both ways.
Carbon Nanotube Radiometer Moves Towards ‘NIST-on-a-Chip’
Light-hungry nanotube bundles mean faster, cheaper, more sensitive cryogenic radiometers; fiber optics first to benefit
Weeding Out Flawed Solar Cells Before They’re Manufactured
Innovative optical furnace stresses silicon wafers with heat to find micro-cracks
'Mass Equals Time' Redefines Weight Standards
New measurements of the matter-wave Compton frequency presage a quantum-mechanical definition of mass
Following DNA Down the Nanopore Rabbit Hole
If we ever want to make a DNA-read-head, we need to understand how DNA moves through tight spaces--new research is doing just that.
Fossil Ghosts of a Lizard's Teeth, Via High-Speed X-Ray
Synchrotron unmasks previously invisible details in 50-million-year-old fossil
Building the Environmental Big Picture from Personal Air-Quality Monitors
A UCSD team piloting pocket-size environmental sensors is discovering surprising things about pollution, and about how people interact.
Wearable Computers the Size of Buttons to Monitor Health
Will be especially helpful to monitor elderly patients prone to falls
New Northern Lights Camera Finds 'Ripples' in the Sky
First hyperspectral 180º fisheye camera captures stunning auroras and a never-before-seen wave flowing across the sky
Finding Mercury’s Water with Infrared Lasers and Neutron Counters
Two instruments on NASA’s MESSENGER probe confirm as much as 1000 cubic kilometers of water frozen in polar craters
'Hyper-Ramsey' Method Refines Atomic Clock Research
Three-pulse laser method eliminates 'light shift,' illuminates forbidden transitions for high-precision ytterbium clocks
Son of Sandy
Are we going to just sit back and wait for the next superstorm, or do something about it?
What Hath EE Wrought? Texting at 55 MPH
The texting-surfing-facebooking-tweeting-while-driving problem is getting worse, not better.
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How is a Pit Viper Like an iPhone?
Inventors of the infrared in-ear thermometer design a point-and-shoot temperature-taker for your phone
Prospecting for Oil or Gold? Check the Time
Advances in atomic clocks allow detailed relativistic measurements of Earth’s gravitational field, revealing structures buried far underground
Mirror, Mirror, On the Wall, Who's the Fastest of Them All?
With Oak Ridge’s 20 petaflop ‘Titan’ grabbing the supercomputing title, Top500.org re-ranks the field
Membrane Mixes Materials to Measure Nanogram Masses, Temperature Simultaneously
Thin film bulk acoustic wave resonator (FBAR) uses ZnO-SiO2 sandwich to overcome temperature-induced error in weighing small masses