All History articles – Page 4
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NewsArchaeological dig at Tycho Brahe’s island lab reveals some of his alchemical secrets
Analysis of what appears to be laboratory vessels shows elements Danish astronomer was working with
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OpinionHarmoinen’s inverter drives and a crucial step towards reducing energy consumption
For the 200th Classic Kit, Andrea Sella celebrates a crucial efficiency improvement for motors
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OpinionTriggering a nuclear chain reaction
How Leo Szilard’s concept emerged from a rich interchange of ideas across disciplinary silos
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ResearchPioneering preservative removal from ancient Greek ship allows accurate dating
Extraction of polyethylene glycol from ship’s wood enables radiocarbon recalibration
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OpinionThere’s more to alchemy than its mystical nature
It was crucial to the development of chemistry
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NewsColourant chemistry identifies ancient Greek workshop for Tyrian purple
Dye favoured by royalty was produced at site 3600 years ago
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OpinionUsing XRF to uncover the secrets of three Irish chalices
Investigating a medieval manufacturing mystery
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OpinionClevenger’s separator and the acceptance of grief
Numerous tragedies beset the life of Joseph Franklin Clevenger (1874–1945)
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OpinionHumphry Davy’s whole story – warts and all – deserves to be told
Offensive comments about other races and cultures are part of his legacy too
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OpinionEngaging with the complex legacy of Humphry Davy
Online courses and student-run projects show there’s great interest in discussing Davy’s links to slavery and scientific racism
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NewsWhat Humphry Davy’s notebooks reveal about his life and work
Excerpts show different sides of chemist’s character
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NewsDavy notebook project paints complicated picture of influential chemist
Humphry Davy was a prolific scientist, but could also be petty, selfish and prejudiced
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OpinionThe 1920s chemists who thought they’d achieved the alchemists’ dream
The now-forgotten transmutation controversy hung on apparent evidence of mercury transforming into gold
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ResearchLead found in Beethoven’s hair reveals new insight into his ailing health
Kidney and liver problems that killed the composer, as well as hearing loss, are associated with high lead levels
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OpinionMarsh’s wires and the birth of the toaster
Raise a toast to the man who invented an essential alloy
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ResearchChemical analysis reveals origins of early English silver coins
Byzantine silver plates were melted down to make many of the first Anglo-Saxon coins
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OpinionNichols’ radiometer and discovering that radiation exerts pressure
A sensitive reflection of light pressure
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OpinionLinnemann’s baskets and distillation in the early days of understanding equilibrium
A distillation method that came out in the wash
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