A tiny polished die recovered from a deserted medieval village in Lower Radbourne, Warwickshire, resembles modern ones, but with a different numbering format.
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"Tuning frictional behavior on the fly has been a long-standing engineering dream," said co-author Katia Bertoldi of Harvard University. "This new insight into how surface geometry governs slip pulses paves the way for tunable frictional metamaterials that can transition from low-friction to high-grip states on demand.” In addition, the dynamics revealed by these results are similar to those of tectonic faults and thus give scientists a new model for the mechanics of earthquakes, according to their new paper published in the journal Nature.
Police in Western Australia have charged a 20-year-old man with preparing a terrorist attack, with Anthony Albanese describing the allegation as “deeply shocking”.
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The Women and Equalities Committee said this had created a "wild west" market with procedures, including liquid breast enlargements, reportedly being done in holiday lets, hotel rooms, garden sheds and public toilets.
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