العلوم والبيئة
'Terror of kings': Why the 1066 appearance of Halley's Comet terrified the medieval world
المصدر: Phys.org - latest science and technology news stories · نُشر
A sequence on the Bayeux Tapestry shows King Harold alongside a crowd gazing at the sky, beneath the embroidered caption Isti mirant stella ("those people marvel at the star"). Above Harold sits Halley's Comet, with ghostlike invasion boats in the border below—a Norman framing of
A sequence on the Bayeux Tapestry shows King Harold alongside a crowd gazing at the sky, beneath the embroidered caption Isti mirant stella ("those people marvel at the star"). Above Harold sits Halley's Comet, with ghostlike invasion boats in the border below—a Norman framing of Harold as a doomed usurper whose betrayal invited destruction.
أخبار ذات صلة
Diverse and sustained social activities may boost cognition in older age
Diverse and sustained social activities may boost cognitive performance and slow the decline in brain health associated with aging, suggest the findings of a large international study, published online in the Journal of Epidemiology & Community Health.
Phys.org - latest science and technology news stories ·
Soybean waste yields 3D-printable material that could help repair skin
Transforming a soybean processing byproduct into a material for skin protection and repair is the prospect outlined by a study that used okara, a residue from the production of tofu and soy-based beverages, to obtain a bioactive, biodegradable, 3D-printable biomaterial.
Phys.org - latest science and technology news stories ·
Are transgender sports bans really about protecting women? Survey data tells a different story
Relatively few transgender athletes participate in high school and collegiate sports. Still, since 2020, 27 states have passed laws banning them from participating in sports based on their gender identity.
Phys.org - latest science and technology news stories ·
A hidden rivalry between two quantum states at the heart of superconductors
Transmitting electricity without losing any energy may sound impossible, yet this is precisely the promise of superconductivity. For nearly 40 years, scientists have been working to understand materials that exhibit this remarkable property at relatively high temperatures. Unlock
Phys.org - latest science and technology news stories ·
How governments worldwide are shaping what AI can say about politics
With the U.S. midterms approaching, about one in five voters has asked AI chatbots about elections and politics, a recent survey found.
Phys.org - latest science and technology news stories ·