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Science

#Transparent inorganic multicolour displays enabled by zinc-based electrochromic devices

Admin6 years ago011 mins

“#Transparent inorganic multicolour displays enabled by zinc-based electrochromic devices” by Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, Chinese Academy </p><div> <div> <div data-src=”https://scx2.b-cdn.net/gfx/news/hires/2020/transparenti.jpg” data-sub-html=”a, Schematic diagram of the bar-coating process. The inset shows a digital photograph of the SVO/cellulose paste. b, Schematic illustration of a Zn-SVO electrochromic display platform. c, Schematic…

Science

#The smallest micro-gripper, grown on optical fibers, is operated remotely with light

Admin6 years ago05 mins

“#The smallest micro-gripper, grown on optical fibers, is operated remotely with light” The optical pliers next to the mandibles of a Formica polyctena ant for comparison (composite scanning electron microscope (SEM) image with added colors). The two jaws (red) close when light is sent through the optical fibers (light blue) that have the diameter of…

Science

#Monitoring groundwater changes more precisely

Admin6 years ago07 mins

“#Monitoring groundwater changes more precisely” Credit: CC0 Public Domain A new method could help to track groundwater changes better than before. To this end, researchers from Potsdam and Oberlin, Ohio (USA), have compared gravity field data from the GRACE and GRACE-Follow On satellite missions with other measuring methods. They investigated the seasonal water storage in…

Science

#Setting up an alarm system in the Atlantic Ocean

Admin6 years ago06 mins

“#Setting up an alarm system in the Atlantic Ocean” Credit: CC0 Public Domain Climate scientists Laura Jackson and Richard Wood from The Met Office, UK have identified metrics that may give us early warnings of abrupt changes to the European Climate. The work is part of the EU Horizon 2020 TiPES project which is coordinated…

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#Portugal heat wave heightens risk of wildfires

Admin6 years ago06 mins

“#Portugal heat wave heightens risk of wildfires” People arriving at the beach walk past a semaphore system that signals how crowded the beach is at any moment, in Oeiras, outside Lisbon, Wednesday, July 15, 2020. The system uses radar to count people entering the gates to the fenced beach to help beachgoers keep social distancing…

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#Bed bugs modify microbiome of homes they infest

Admin6 years ago06 mins

“#Bed bugs modify microbiome of homes they infest” Bed bugs can modify microbial communities in home they infest. Credit: Benoit Guenard Homes infested by bed bugs appear to have different bacterial communities—often referred to as microbiomes—than homes without bed bugs, according to a first-of-its-kind study from North Carolina State University. In addition, once bed bug…

Science

#How flies flip around on take-off from an upside- down position

Admin6 years ago04 mins

“#How flies flip around on take-off from an upside- down position” Credit: Anna Verbe Flies are able to right themselves very quickly when taking off from an upside-down position. Scientists from the CNRS and from The Institute of Movement Science (ISM) at Aix-Marseille Université studying this phenomenon discovered the surprising way these insects begin by…

Science

#Shaking light with sound

Admin6 years ago07 mins

“#Shaking light with sound” Integrated silicon nitride photonic chips with aluminium nitride actuators. Credit: Jijun He, Junqiu Liu (EPFL) Piezoelectric materials can convert electrical voltage to mechanical displacement and vice versa. They are ubiquitous in modern wireless communication networks such as in cellphones. Today, piezoelectric devices, including filters, transducers and oscillators, are used in billions…

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#New material mimics strength, toughness of mother of pearl

Admin6 years ago04 mins

“#New material mimics strength, toughness of mother of pearl” The iridescent nacre inside a Nautilus shell. Image: Wikipedia. In the summer, many people enjoy walks along the beach looking for seashells. Among the most prized are those that contain iridescent mother of pearl (also known as nacre) inside. But many beachcombers would be surprised to…

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#Coumarin compounds from oak barrels could contribute to bitter taste in wine and spirits

Admin6 years ago05 mins

“#Coumarin compounds from oak barrels could contribute to bitter taste in wine and spirits” Credit: Pixabay/CC0 Public Domain Wine and spirits are complex mixtures of flavor and aroma compounds, some of which arise during aging in wooden barrels. Among other compounds, oak wood releases coumarins, but how they affect wine’s sensory properties is unclear. Now,…