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The Engineer News Feed

News and analysis from the world of engineering
  • Researchers at the Chinese University of Hong Kong have developed a knee-powered energy-harvester that generates enough energy to power small electronic devices. Described by the team in Applied Physics Letters, the energy harvester is attached to the wearer’s knee and can generate 1.6 microwatts of power while the wearer walks without any increase in effort. The energy […] The post Knee-powered energy-harvester keeps devices running appeared first on The Engineer.

  • New infrared chemical imaging could help fight different forms of cancer by giving doctors a quick and accurate way of detecting biomarkers within cells. In Britain, one-in-eight men will develop prostate cancer during their lifetime and in the US  over 174,000 men are predicted to be diagnosed with the disease this year. Ji-Xin Cheng, adjunct […] The post Infrared imaging shines light on biomarkers in cancer cells appeared first on The Engineer.

  • Jaguar Land Rover is working with BASF on a new project to trial upcycled plastic components on the carmaker’s I-Pace vehicle.  The ChemCycling project involves BASF transforming domestic plastic waste into pyrolysis oil using a thermochemical process. The pyrolysis oil then replaces fossil fuels as the feedstock for creating new plastic products. According to BASF, […] The post JLR trials chemical recycling for I-Pace component appeared first on The Engineer.

  • New optical sensors for measuring acceleration and vibration on trains could help prevent accidents and cut maintenance costs, claim research engineers in Hong Kong. According to team leader Hwa-yaw Tam, from The Hong Kong Polytechnic University, the fibre accelerometers could be used for real-time monitoring of defects in the railway track or the train to pinpoint […] The post Optical sensor system for rail could cut costs and save lives appeared first on The Engineer.

  • 3D-printed, ant-sized “micro-bristle-bots” harness vibration to move Developed at the Georgia Institute of Technology, the robots are around 2mm in length, 1.8mm wide and 0.8mm thick, and weigh about five milligrams. They can be powered by vibrations from on-board piezoelectric generators, ultrasound sources or audio speakers. Their developers believe they may be able to work […] The post Microbots could carry sensors and perform medical functions appeared first on The Engineer.

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