Laser diodes versus LEDs

Solid-state lighting based on light-emitting diodes (LEDs) is the most efficient source of high color quality white light. Nevertheless, they show significant performance limitations such as the "efficiency droop". Blue laser ...

New capacitors to improve electric vehicles

Scientists from the National Physical Laboratory (NPL) have developed a new lead-free, high temperature ceramic capacitor that could improve the efficiency and reliability of electric and hybrid vehicles.

Electric hybrid drives for aircraft

In cooperation with several partners, Siemens has created its second aircraft powered by an electric series hybrid drive system. The two-seat DA36 E-Star 2 plane recently made its one-hour maiden flight and was then presented ...

Hybrid carbon nanotube yarn muscle

Professor Seon Jeong Kim of Hanyang University has created a high capacity yarn muscle that does not require electrolytes or special packaging. It will have a big impact in the motor, biological and robot industry.

The search for new materials for hydrogen storage

(Phys.org)—Hydrogen is the ideal fuel for new types of fuel cell vehicles, but one problem is how to store hydrogen. In his doctoral dissertation Serhiy Luzan studies new types of materials for hydrogen storage. He also ...

E-textiles get fashion upgrade with memory-storing fiber

The integration of electronics into textiles is a burgeoning field of research that may soon enable smart fabrics and wearable electronics. Bringing this technology one step closer to fruition, Jin-Woo Han and Meyya Meyyappan ...

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