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The scientists, at Imperial College London and University of Cambridge, have successfully Developed a new biophotovoltaic cell. "This Biophotovoltaic device is biodegradable and it can be serve as a disposable solar panel in the future and battery that can decompose in our composts or gardens,"  Co-author Marin Sawa at University of Arts London and Imperial College London told  Phys.org . "Cheap, accessible, environmentally friendly, biodegradable batteries without any heavy metals and plastics—this is what we and our environment really need but don't have just yet, and our work has shown that it is possible to have that." In general, biophotovoltaic  cells  contain some type of cyanobacteria or algae that is phototrophic, meaning it converts light into energy. However, even in the dark these organisms continue to generate some energy by metabolizing their internal storage reserves. So when the organisms are connected to a non-biological electrode, t...

scientists from chienese university of hong kong created a spiral microbot that can swim through human body helps them deliver drugs or surgery of particular part. For that they manipulated spirulina, a microscopic plant and food supplement, to travel through people in response to magnetic signals. The biohybrid robot could one day carry drugs to specific parts of the body, minimizing side effects. What’s more, the robot—and its magnetic coat—appear to kill cancer cells. Spirulina, an alga, looks like a tiny coiled spring at the microscopic level. Researchers had been trying, and succeeding to various degrees, to build bots out of rods, tubes, spheres, and even cages no bigger than a cell. Outfitting these tiny devices with an ample power supply has been quite a challenge, as most potential fuels are toxic to humans, and a nother major problem is how to steer it in the body’s maze of proteins and other molecules, which requires both a way to control its movements and to see ...

Researchers have successfully incorporated washable,  and stretchable electronic circuits into fabric, opening up new possibilities for smart textiles and wearable electronics. The circuits were made with cheap, safe and environmentally friendly inks, and printed using conventional inkjet printing techniques.  The researchers, from the University of Cambridge, working with colleagues in Italy and China, have demonstrated how graphene – a two-dimensional form of carbon – can be directly printed onto fabric to produce integrated electronic circuits which are comfortable to wear and can survive up to 20 cycles in a typical washing machine The new textile electronic devices are based on low-cost, sustainable and scalable inkjet printing of inks based on graphene and other two-dimensional materials, and are produced by standard processing techniques. Most wearable electronic devices that are currently available rely on rigid electronic components mounted on plastic, rubb...

Researchers from UK and italy discovered a spider silk three times stronger, and ten times tougher using nanotechnology boost with carbon nanotubes. This bionic spider silk could be useful where lighter yet stronger materials are required, including parachutes or body armours, they said. Research is led by Professor Nicola Pugno at the University of Trento in Italy, say the discovery could pave the way for a new class of bionicomposites, with a wide variety of uses. "Humans have used silkworm silks widely for thousands of years, but recently research has focussed on spider silk, as it has extremely promising mechanical properties," Professor Pugno said."It is among the best spun polymer fibres in terms of tensile strength, ultimate strain, and especially toughness, even when compared to synthetic fibres such as Kevlar." Professor Pugno said we already know that there are biominerals present in in the protein matrices and hard tissues of insects ...

scientists have developed a high-speed encryption system called "Quantum key distribution" (QKD) to stop hacker.  System is capable of distributing the encryption codes at the rate of MB/s which 10x faster than present method.  In a study of journal science advance  Here the researchers demonstrate that the technique is secure from common attacks, even in the face of equipment flaws that could open up links.

Researchers at Columbia University and newyork genome centre(NYGC) has found that using an algorithm called "fountain codes" a massive digital information can be stored into DNA and possible to retrieve it without error. They demonstrated it by storing six files and Shows that this coding strategy can store upto 215 Petabyte information in single gram of DNA. For full article Click here