Martian dust blower

by Bart Verberck, Nature Physics 13, 623 (2017) doi:10.1038/nphys4207 (sci-hub) Your Earthly carpet sweeper won’t do the job in the low-pressure, CO2-dominant atmosphere on Mars. But Catalin Ticoş and colleagues […]

Indefinite causality

Causality is a concept deeply rooted in our understanding of the world and lies at the basis of the very notion of time. It plays an essential role in our […]