Experiments suggest an ancient four-hole ivory stick was used to make rope
Ivory perforated staff from the Hohle Fels cave, southwest Germany, with four views. Credit: Scientists progress (2024). DOI: 10.1126/sciadv.adh5217 Two ...
Tag: stick
To stick or not to stick? Columns of Mixed Sand Inform Better Materials Design
Sand columns with different proportions of sticky grains form and settle (stickier grains from (a) to (c)). Columns hold their ...
