Eco-bike aims to cut pollution in Kathmandu

Where there's a will, there's a way. The truth of that saying was revealed once again to Lance Rake when he traveled to Kathmandu, Nepal, last year to develop a delivery version of the bamboo bicycles for which he is known.

Super magnets from a 3-D printer

Magnetic materials are an important component of mechatronic devices such as wind power stations, electric motors, sensors and magnetic switch systems. Magnets are usually produced using rare earths and conventional manufacturing ...

Car congestion outweighs scooter scourge on city streets

"Scooter clutter" has been a concern amplified by media reports in urban areas where micromobility has entered the landscape, with large numbers of dockless scooters and shared e-bikes on city streets and sidewalks. But a ...

New DNA origami motor breaks speed record for nano machines

Through a technique known as DNA origami, scientists have created the fastest, most persistent DNA nano motor yet. Angewandte Chemie published the findings, which provide a blueprint for how to optimize the design of motors ...

Five millimeter diameter motor is powered directly with light

Researchers at the Faculty of Physics 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 ...

Sustainable 3D-printed super magnets

From wind turbines and electric motors to sensors and magnetic switching systems, permanent magnets have many electrical applications. The production of these magnets usually involves sintering or injection molding. But due ...

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