All articles by Tim Wogan – Page 15
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ResearchFingertip sweat pore maps to catch criminals
Unique pore patterns captured by water responsive polymer identifies fingerprints that are impossible to scrutinise using conventional technologies
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ResearchChemistry calculations reveal Earth's inner core
Higher levels of oxygen suggest early Earth may have been hotter than some model predict
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ResearchPolymer sets new self-healing record
Material mimics animal healing forming a scaffold to support repair of holes over 3cm wide
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High efficiency solar cells stack up
Solar panel that can harness the power of all the Sun's rays simply and cheaply manufactured
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New solution to missing xenon paradox
The exceptional heat and pressure at the Earth's centre may have locked xenon up in iron and nickel compounds
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Graphene made in a kitchen blender
High quality flakes of two-dimensional material exfoliated from graphite points way to bulk production
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Nanocrystalline copper turns CO into fuel
New electrode converts carbon monoxide into alcohols and may be a route to storing renewable energy
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ResearchGrowing great graphene on germanium
New technique allows large scale production of defect free graphene suitable for electronics
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A window into oysters' armour
Deformation twins dissipate energy and redirect cracks so shells can take more hits
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Carbenes beat thiols for robust monolayers
Stronger bonding to gold surfaces will create platforms for more durable sensors and molecular electronics
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ResearchDinosaur mass extinction may have been triggered by acid rain
Asteroid impact could have produced enough sulfur trioxide to dramatically lower ocean pH
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Fuel cells put in the frame with catalysts that need far less platinum
Nanoframe structures increase activity 22-fold and are simple to produce
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Greener route to esters dodges toxic reactant
Ester production could use carbon dioxide in place of poisonous monoxide, thanks to ruthenium catalyst
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Research‘Waterjet’ printer set to make a splash
Rewriteable paper that can be printed on again and again using only water could cut paper waste
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Implant harvests heartbeat power
Piezoelectric patch generates enough electricity to power a pacemaker
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Disorder opens up battery material field
Discovery overturns conventional wisdom that well-ordered materials are a must for better lithium-ion battery electrodes
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Vodka fuelled chemical texting
Researchers copy nature’s chemical communication to devise simple molecular signalling system for machines
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Calculations predict stable eight nitrogen molecule
Theorised crystal has ionic character which should help to stabilise it
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Brighter future for cancer detection with polymer probe
Polymer nanoparticle that dissociates at fixed pH allows 100-fold increase in infrared fluorescence
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Self-healing battery cracks anode fracturing problem
Experimental lithium-ion batteries that hold more energy now have the anode that this extra power demands