All articles by Tim Wogan – Page 3
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Research
Superheavy elements forged in giant stellar collisions
Nuclei with mass numbers above 260 are produced in r -process events
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Feature
When a bond gets too extreme
Chemical bonds are part of the way chemists rationalise the behaviour of atoms in the conditions of the world around them. Tim Wogan looks at how they are affected when those conditions change
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Research
‘Most slippery surface ever’ inspired by new understanding of surface roughness
Modelling and measurements reveal surprising ways slipperiness develops
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Research
Case closed on mystery of why a spinning magnet can levitate other magnets
Phenomenon discovered in 2021 that left physicists scratching their heads unravelled
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Research
All-metal fullerene cluster made for first time
Dodecahedral structure offers new insight into metal bonding
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Research
Peeking inside lithium-ion batteries offers new ways to put a stop to deadly fires
Understanding why batteries overheat could make them safer
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Research
Researchers identify metals released into the atmosphere by satellite reentry
Metals including niobium and hafnium detected in stratospheric aerosols
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Research
Long-lived excited states open the door to earth-abundant metal photocatalysts
New findings show that cobalt (III) complexes can catalyse reactions not previously thought possible
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Research
New understanding of why supercooled water droplets sometimes explode when they freeze
Imaging experiments with thousands of observations help scientists detail complex freezing process
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Research
Supercapacitor cement could supercharge renewable energy storage
Addition of carbon black is all that’s needed to allow cement to hold charge
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Research
Fluorinated ligands stabilise perovskite solar cells
Findings offer new insight into how coatings interact with perovskites
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Research
Anticounterfeiting secrets of Benjamin Franklin’s paper money revealed
Sophisticated analytical techniques brought to bear on US notes from the 18th century
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Research
Silicon and perovskite work perfectly in tandem to produce 30%+ efficient solar cells
Combination of materials allows higher energy photons to be captured to beat silicon’s limit
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Research
Liquid water could have carved Mars’ famous gullies
CO2 sublimation could have raised atmospheric pressure enough for liquid water to form
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Research
Hand-built caesium-based ‘artificial atoms’ used to create ‘synthetic’ benzene
Manufactured atoms offer chemists chance to play ‘mind games’ with matter and change bond order of molecules
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Research
Lithium dendrite understanding will help unpick durability issues of solid-state batteries
Fractures found to occur in two stages, with cracks initially occurring at pores
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Research
Identifying single atoms with x-ray specificity
Combining synchrotron x-rays with scanning tunnelling microscopy gives atomic resolution
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Research
Twisted carbon nanotubes make ideal replacements for damaged ligaments
Rabbits and sheep can still walk and jump normally after transplantation of synthetic ligaments
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Research
Flexible silicon solar cells could be rolled out on tricky to cover buildings
Bendy silicon cells should be cheaper than thin-film alternative
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Research
Ladder-like polymer that could halt electrical overheating divides opinion
Questions raised over reported structure and whether the polymer can even perform as researchers hope