共找到 20 条结果
A new analysis has precisely dated paintings in France’s Font-de-Gaume cave for the first time。 Scientists discovered charcoal inside black pigments once thought to contain only minerals, allowing them to use radiocarbon dating。 The results show that a bison was painted about 13,000 years ago, while sections of a mask-like figure were added during
Popular AI-powered food apps may make calorie counting easier, but they may also leave out a surprisingly large part of the meal。 Four apps underestimated calories and fat by about one-third when tested against carefully prepared meals。 High-fat ketogenic dishes appeared to cause the most trouble, while carbohydrates were measured more consistently
暂无摘要，请点击原文查看详情
The Backrooms began as a single eerie image of empty yellow rooms, but internet users transformed it into a vast fictional world that feels disturbingly real。 Through videos, games, maps, survival guides and social media stories, audiences do more than watch the horror unfold。 They help build and explore it
To my knowledge, this is the first formally verified implementation of a 3D constructive solid geometry (CSG) operation: mesh intersection, implemented in Lean 4 and verified against a concise specification that pins down the surface of the resulting mesh exactly and guarantees practical well-formedness conditions on the triangulation。This project