Category Technology/Electronics

Enterobacteriaceae: Large family of Gram-negative bacteria that includes many of the more familiar pathogens, such as Salmonella and Escherichia coli. Credit: © ktsdesign / Fotolia

A scientific breakthrough has taken an emerging biotechnology a step closer to being used to treat wastewater in the Developing World. Researchers at the University of the West of England (UWE Bristol) (Ieropoulos & Greenman) have discovered that technology they have developed which has already been proven to generate electricity through the process of cleaning organic waste, such as urine, also kills bacteria harmful to humans.

Experts have shown that a special process they have developed in which wastewater flows through a series of cells filled with electroactive microbes can be used to attack and destroy a ...

New electrolytes made from liquefied gas enable lithium batteries and electrochemical capacitors to run at extremely cold temperatures. Credit: David Baillot/UC San Diego Jacobs School of Engineering Enginee

UCSD engineers have developed a breakthrough in electrolyte chemistry that enables lithium batteries to run at temperatures as low as -60C with excellent performance—in comparison, today’s lithium-ion batteries stop working at -20 degrees Celsius. The new electrolytes also enable electrochemical capacitors to run as low as -80C—their current low temperature limit is -40 degrees Celsius. While the technology enables extreme low temperature operation, high performance at room temperature is still maintained...

Electron microscope images of visible-NIR light responsible photocatalyst composed with black phosphorous (BP), lanthanum titanate (LA2Ti2O7, LTO), and gold nanoparticles (Au).
Credit: © Zhu M, Cai X, Fujitsuka M, Zhang J, Majima T, Angewandte Chemie: International Edition 56 (2017)

Osaka University researchers create new material based on gold and black phosphorus to produce clean hydrogen fuel using the full spectrum of sunlight. Hydrogen can be generated by splitting H2O, but this uses more energy than the produced hydrogen can give back. Water splitting is often driven by solar power, so-called “solar-to-hydrogen” conversion...

Glaucio Paulino, a professor in Georgia Tech’s School of Civil and Environmental Engineering, and Jerry Qi, a professor in the George W. Woodruff School of Mechanical Engineering at Georgia Tech, hold objects 3-D printed that use tensegrity, a structural system of floating rods in compression and cables in continuous tension. (Credit: Rob Felt)

A team from Georgia Institute of Technology has developed a way to use 3D printers to create objects capable of expanding dramatically that could someday be used in applications ranging from space missions to biomedical devices. The new objects use tensegrity, a structural system of floating rods in compression and cables in continuous tension. The researchers fabricated the struts from shape memory polymers that unfold when heated.

“Tensegrity st...