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265 Current news about the topic carbon nanotubes

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Toilet paper sensors

Tissue paper sensors show promise for health care, entertainment, robotics

16-Feb-2018

University of Washington engineers have turned tissue paper – similar to toilet tissue – into a new kind of wearable sensor that can detect a pulse, a blink of an eye and other human movement. The sensor is light, flexible and inexpensive, with potential applications in health care, entertainment ...

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Mass production of new class of semiconductors closer to reality

13-Feb-2018

Two Waterloo chemists have made it easier for manufacturers to produce a new class of faster and cheaper semiconductors. The chemists have found a way to simultaneously control the orientation and select the size of single-walled carbon nanotubes deposited on a surface. That means the developers ...

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Highly stretchable aqueous batteries developed

30-Jan-2018

The current development of stretchable battery materials that mimic the functions of nature has emerged as a highly interesting research area, necessary for the next wave of wearable electronics. A recent study, affiliated with UNIST has presented a bioinspired Jabuticaba-like hybrid ...

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Revealing high performance CNT catalyst relating to its electroconductivity

17-Jan-2018

Recent research showed biofuels were obtained from Jatropha Oil using carbon nanotube (CNT) catalyst, which showed efficient cracking activity. The performance was activated by the high stability, metal sites, acid sites, electroconductivity, and coking tolerance of CNT. Two cracking circulations ...

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Touchy nanotubes work better when clean

Scientists show that decontaminating nanotubes can simplify nanoscale devices

08-Jan-2018

Carbon nanotubes bound for electronics need to be as clean as possible to maximize their utility in next-generation nanoscale devices, and scientists at Rice and Swansea universities have found a way to remove contaminants from the nanotubes. Rice chemist Andrew Barron, also a professor at ...

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Paving the way for a non-electric battery to store solar energy

21-Dec-2017

Materials chemists have been trying for years to make a new type of battery that can store solar or other light-sourced energy in chemical bonds rather than electrons, one that will release the energy on demand as heat instead of electricity - addressing the need for long-term, stable, efficient ...

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Synthesizing narrow ribbons of graphene using only light and heat

12-Dec-2017

Silicon -- the shiny, brittle metal commonly used to make semiconductors -- is an essential ingredient of modern-day electronics. But as electronic devices have become smaller and smaller, creating tiny silicon components that fit inside them has become more challenging and more expensive. Now, ...

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Fine felted nanotubes

New composite material made of carbon nanotubes

23-Nov-2017

Extremely lightweight, electrically highly conductive, and more stable than steel: due to their unique properties, carbon nanotubes would be ideal for numerous applications, from ultra-lightweight batteries to high-performance plastics, right through to medical implants. However, to date it has ...

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Motion sensors leap major step toward low-cost, high-performance wearable technology

17-Nov-2017

Researchers from the FAMU-FSU College of Engineering have developed a class of breakthrough motion sensors that could herald a near future of ubiquitous, fully integrated and affordable wearable technology. Engineers from FSU's High-Performance Materials Institute, in collaboration with ...

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Wrinkles give heat a jolt in pillared graphene

03-Nov-2017

Pillared graphene would transfer heat better if the theoretical material had a few asymmetric junctions that caused wrinkles, according to Rice University engineers. Rice materials scientist Rouzbeh Shahsavari and alumnus Navid Sakhavand first built atom-level computer models of pillared graphene ...

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