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Search results for piezoelectric

Cell & Microbiology Sep 10, 2020

Self-powered biosensors may open up new paths to medical tracking, treatments

Wearable and implantable devices are currently used for a variety of functions, including health tracking and monitoring. However, supplying energy usually requires cumbersome batteries and downtime due to recharging. Now, ...

Plasma Âé¶¹ÒùÔºics Sep 4, 2020

Low-temperature plasma device may lead to more efficient engines

Low-temperature plasmas offer promise for applications in medicine, water purification, agriculture, pollutant removal, nanomaterial synthesis and more. Yet making these plasmas by conventional methods takes several thousand ...

General Âé¶¹ÒùÔºics Aug 25, 2020

Building mechanical memory boards using origami

The ancient Japanese art of paper folding, known as origami, can be used to create mechanical, binary switches.

Materials Science Aug 19, 2020

A touch of gold sends crystals electric with excitement

A touch of gold—or another noble metal—can change the structure of a crystal and its intrinsic properties, physicists at the University of Warwick have demonstrated in a display of modern-day alchemy.

Condensed Matter Aug 19, 2020

Toward an ultrahigh energy density capacitor

Capacitors that rapidly store and release electric energy are key components in modern electronics and power systems. However, the most commonly used ones have low energy densities compared to other storage systems like batteries ...

Nanomaterials Aug 18, 2020

Artificial materials for more efficient electronics

The discovery of an unprecedented physical effect in a new artificial material marks a significant milestone in the lengthy process of developing "made-to-order" materials and more energy-efficient electronics.

Materials Science Aug 13, 2020

Researchers demonstrate fundamentally new approach to ultrasound imaging

North Carolina State University researchers have demonstrated a new technique for creating ultrasound images. The new approach is substantially simpler than existing techniques and could significantly drive down technology ...

Cell & Microbiology Jul 31, 2020

How human sperm really swim: New research challenges centuries-old assumption

A breakthrough in fertility science by researchers from Bristol and Mexico has shattered the universally accepted view of how sperm 'swim'.

Optics & Photonics Jul 21, 2020

Âé¶¹ÒùÔºicists find ways to control gamma radiation

Researchers from Kazan Federal University, Texas A&M University and Institute of Applied Âé¶¹ÒùÔºics (Russian Academy of Sciences) found ways to direct high frequency gamma radiation by means of acoustics.

Quantum Âé¶¹ÒùÔºics Jul 17, 2020

Scientists achieve major breakthrough in preserving integrity of sound waves

In a breakthrough for physics and engineering, researchers from the Photonics Initiative at the Advanced Science Research Center at The Graduate Center, CUNY (CUNY ASRC) and from Georgia Tech have presented the first demonstration ...

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