Laser pulses produce glowing plasma filaments in open air, could enable long-distance monitoring.
Optical
Two sensors in one
Nanoparticles that enable both MRI and fluorescent imaging could monitor cancer, other diseases.
MIT team enlarges brain samples, making them easier to image
New technique enables nanoscale-resolution microscopy of large biological specimens.
Quick test for Ebola
Simple paper strip can diagnose Ebola and other fevers within 10 minutes.
Chemists design a quantum-dot spectrometer
New instrument is small enough to function within a smartphone, enabling portable light analysis.
Biomedical imaging at one-thousandth the cost
Mathematical modeling enables $100 depth sensor to approximate the measurements of a $100,000 piece of lab equipment.
Imaging with an “optical brush”
New imaging system uses an open-ended bundle of optical fibers — no lenses, protective housing needed.
Imaging the brain at multiple size scales
New technique can reveal subcellular details and long-range connections.
Needles that hit the right mark
New sensor could help anesthesiologists place needles for epidurals and other medical procedures.
Toward visible-light-based imaging for medical devices, autonomous vehicles
System accounts for the deflection of light particles passing through animal tissue or fog.