A new screw-driven robot prototype can autonomously navigate and mine rocky planets like Mars using Archimedean screws, ideal for challenging surfaces like sand and snow. Developed with EU support, it holds potential for extraterrestrial mining missions.
Researchers found that unmelted planetesimals delivered crucial volatiles, like zinc, to early Earth, contributing to water's presence. This discovery aids the understanding of how water formed here and may also guide future studies on other planets' p
Ninjas used a system called Goshiki-mai, meaning Five Colored Rice, in which rice grains were painted red, blue, yellow, black or purple in order to leave coded messages or trails.
Benjamin Franklin is credited with the actual invention of the rocking chair in 1710, although other sources claim it was invented by farmers or by early cabinetmakers.
