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Optical generation of ultrasound via photoacoustic effect

WASHINGTON, D.C., February 28, 2017 — Limitations of the piezoelectric array technologies conventionally used for ultrasonics inspired a group of University College London researchers to explore an […]

Breakthrough Research for Testing and Arranging Vertical Axis Wind Turbines

WASHINGTON, D.C., February 28, 2017 — The sight of propeller-like rotating blades positioned high up the pole of a tall horizontal-axis wind turbine (HAWT) may be familiar […]

Exploring the Mysteries of Supercooled Water

WASHINGTON, D.C., February 28, 2017 — There are few things more central to life on earth than water. It dominates the physical landscape, covering much of the […]

Understanding ‘Glass Relaxation’ and Why It’s Important for Next-Generation Displays

WASHINGTON, D.C., February 21, 2017 — Next-generation displays will feature increased resolution and performance, but getting there will require a shift to smaller individual pixel sizes and […]

Extending VCSEL wavelength coverage to the mid-infrared

WASHINGTON, D.C., February 14, 2017 — Vertical-cavity surface-emitting lasers (VCSELs) are small, semiconductor-based lasers that emit optical beams from their top surface, and one of their main […]

Turning Up the Heat for Perfect (Nano)Diamonds

WASHINGTON, D.C., February 14, 2017 — Quantum mechanics, the physics that governs nature at the atomic and subatomic scale, contains a host of new physical phenomena to […]

A New Sensitive and Stable Self-Powered Photodetector

WASHINGTON D.C., February 9, 2017 — Researchers in Singapore and China have collaborated to develop a self-powered photodetector that can be used in a wide range of […]

Meta-Lenses Bring Benchtop Performance to Small, Hand-held Spectrometer

WASHINGTON, D.C., February 9, 2017 — A research team of physicists from Harvard University has developed new hand-held spectrometers capable of the same performance as large, benchtop […]

Material Can Turn Sunlight, Heat and Movement Into Electricity — All at Once

WASHINGTON, D.C., February 7, 2017 — Many forms of energy surround you: sunlight, the heat in your room and even your own movements. All that energy — […]