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Spintronics: Ultra-short spin waves in an astoundingly simple material

Due to its potential to make computers faster and smartphones more efficient, spintronics is considered a promising concept for the future of electronics. A team of researchers has now successfully generated so-called spin waves much more easily and efficiently than was previously deemed possible. from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190327112632.htm
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Fluorine: Toxic and aggressive, but widely used

In toothpaste, Teflon, LEDs and medications, it shows its sunny side - but elemental fluorine is extremely aggressive and highly toxic. Attempts to determine the crystal structure of solid fluorine using X-rays ended with explosions 50 years ago. from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190327112637.htm
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Lying, sitting or standing: Resting postures determined by animals' size

Cows always lie on their chests so that their digestion is not impaired. Rodents sometimes rest sitting down, while kangaroos sometimes lie on their backs. The larger the animal, the less often it lies down, and when it does, it is more likely to lie on its side - but there are exceptions. from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190327123843.htm
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People 'hear' flashes due to disinhibited flow of signals around the brain, suggests study

A synaesthesia-like effect in which people 'hear' silent flashes or movement, such as in popular 'noisy GIFs' and memes, could be due to a reduction of inhibition of signals that travel between visual and auditory areas of the brain, according to a new study. It was also found that musicians taking part in the study were significantly more likely to report experiencing visual ear than non-musician participants. from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190327112710.htm
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Traveling-wave tubes: The unsung heroes of space exploration

What do televisions and space exploration have in common? No, we're not talking about a cheesy physics joke; rather, this is the story of an often-overlooked piece of equipment that deserves a place in the annals of telecommunication history. Now, researchers have reviewed the history of TWTs. from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190327131913.htm
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Autonomous weed control via smart robots

Soybean fields are becoming increasingly infested with a glyphosate-resistant weed called 'palmer amaranth.' One pesticide currently used for controlling it is 'Dicamba,' but it has devastating effects on adjacent areas, because it tends to drift when sprayed during windy conditions. Researchers report that they have now developed a drift-free, weed-specific applicator, which will pave the way for autonomous weed control with smart robots. from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190327123903.htm
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Smartphone app detects diet cheat

According to a recent study, a first-of-its-kind smartphone app called OnTrack can predict ahead of time when users are likely to lapse in their weight loss plan and help them stay on track. from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190327123845.htm
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Meet America's Biggest Machine-Gun Enthusiasts

via Photo Latest https://www.wired.com/story/machine-gun-enthusiast-gallery
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