A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called skyrmions. These light vortices hold their shape even when disturbed, making them ...

Abstract: Melon plants require a photosynthesis process ranging from 10 to 12 hours per day. Cultivating melon plants at the greenhouse of Institut Teknologi Telkom Surabaya is challenged by the ...

Welcome to the UK's Official Charts! In addition to the Official Singles and Albums Chart, did you know the Official Charts Company compiles 50+ charts every week, spanning different genres and ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...