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Search results for fast actuation

Nanomaterials Apr 1, 2020

Graphene-based actuator swarm enables programmable deformation

Actuators that can convert various environmental stimuli to mechanical work have revealed great potential for developing smart devices such as soft robots, micro-electromechanical systems (MEMS), and automatic lab-on-a-chip ...

Plants & Animals Feb 25, 2020

Powerful mantis shrimp pull punches in air for self-preservation

Mantis shrimp (Squilla mantis) don't take kindly to captivity. "They have a general baseline of being angry," chuckles Kate Feller, currently at the University of Minnesota, USA, recalling how the contrary stomatopods are ...

General Âé¶¹ÒùÔºics Feb 19, 2020

Five millimeter diameter motor is powered directly with light

Researchers at the Faculty of Âé¶¹ÒùÔºics at the University of Warsaw, with colleagues from Poland and China used liquid crystal elastomer technology to demonstrate a rotary micromotor powered with light. The 5-millimeter diameter ...

General Âé¶¹ÒùÔºics Feb 18, 2020

In acoustic waves, engineers break reciprocity with 'spacetime-varying metamaterials'

Reciprocity isn't always a good thing.

Biotechnology Jan 29, 2020

Molecular machine tears toxic protein clumps apart

How do cells disentangle proteins that are clumped together? Researchers from AMOLF in Amsterdam and Heidelberg University now show that the molecular chaperone ClpB can forcibly pull on exposed loops of protein chains, and ...

General Âé¶¹ÒùÔºics Dec 9, 2019

Shape-programmable dielectric liquid crystal elastomer actuators

Materials scientists aim to use bioinspired soft robots to carry out advanced interactions between humans and robots, but the associated technology remains to be developed. For example, soft actuators must perform quickly ...

Bio & Medicine Oct 28, 2019

Microscale rockets can travel through cellular landscapes

A new study from the lab of Thomas Mallouk shows how microscale "rockets," powered by acoustic waves and an onboard bubble motor, can be driven through 3-D landscapes of cells and particles using magnets. The research was ...

Astronomy Sep 25, 2019

WFIRST space telescope fitted for 'starglasses'

When a new NASA space telescope opens its eyes in the mid-2020s, it will peer at the universe through some of the most sophisticated sunglasses ever designed.

Bio & Medicine Sep 3, 2019

Biodegradable anti-cancer treatment micro-robot

Professor Hongsoo Choi's research team in the Department of Robotics Engineering & DGIST-ETH Microrobot Research Center (DEMRC) at DGIST (President Young Kuk) succeeded in developing a biodegradable micro-robot that can perform ...

Nanophysics Aug 14, 2019

Metal-oxide semiconductor nanomembrane-based multifunctional electronics for wearable-human interfaces

Wearable electronic human-machine interfaces (HMIs) are an emerging class of devices to facilitate human and machine interactions. Advances in electronics, materials and mechanical designs have offered pathways toward commercial ...

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