Physical chemistry – Page 40
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FeatureSnakes, sausages and structural formulae
Mike Sutton tells the story of how August Kekulé dreamt up the structure of benzene
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FeatureNavigating chemical space
Fully exploring the ocean of possible compounds – even computationally – is impossible, finds Philip Ball
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Research
Connecting electrodes with light illuminates electrochemistry
Stimulating current in electrode arrays using visible light may remove need for substantial wiring
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ResearchSubtle forces yield profound effects on heavy element bonding
Calculations on dispersion forces shed light on interactions between heavier main group elements
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ResearchHypervalent bonding controversy out for the electron count?
A new definition for the foundations of modern chemistry puts atomic charge models on trial
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ResearchElectric switch makes helix change hands
Computational model predicts that external electric fields can reorientate helices by breaking and reforming hydrogen bonds
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ResearchIndividual microRNA molecules detected with a single microbead
Beady-eyed bioassay can identify important nucleotides on the single molecule level
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ResearchElusive fermion found at long last
Experimental observation of Weyl fermions in a tantalum arsenide crystal ends search after 86 years
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ResearchFirst snapshot of elusive intermediate supplies surprise
Atomic force microscopy images reveal aryne possesses three consecutive carbon–carbon double bonds, rather than a single triple bond
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ResearchConduction conundrum puts scientists on path to radical conclusions
Samarium compound appears to be both a conductor and an insulator at very low temperatures
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ResearchSimple reaction shows quantum interference
Chemical reactions can show interference patterns similar to those seen in the classic double-slit experiment
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ResearchZ machine puts the squeeze on metallic deuterium
Pressures similar to those at centre of the Earth forge metallic deuterium in step toward 80-year-old dream of creating metallic hydrogen
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ResearchPhoto-catalysts shine light on chemical bond making
Femtosecond laser pulse used to control the formation of magnesium dimers
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Research
Bonding behaviour unlocked for uranium–arsenic complex
Uranium–arsenic complexes remain stable under ambient conditions
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ResearchNoble gas joins σ-hole interaction crowd
Surprising ‘aerogen bonding’ completes set of p-block groups exhibiting the phenomenon
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ResearchGecko-inspired adhesives for microfluidics
Technical innovation in reversible bonding allows for strong and affordable devices
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ResearchGraphene-wrapped diamond ball bearings cut friction to virtually nothing
Discovery could help save energy and money, but still needs to overcome limitations in humid conditions
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ResearchFish and flowers inspire diving goggle material
Transparent surfaces for repelling oil underwater made from silica
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Research
Mystery of coloured water droplets that chase and repel each other solved
Discovery could herald sprays that hoover up dirt and keep solar panels clean