➜ Excalidraw is a web-based app that bills itself as a digital whiteboard, but it is actually much more than that. With ...

Space isn’t empty at all. It’s threaded with wisps of matter so thin that even the best telescopes struggle to see them. Astronomers call this vast network the cosmic web. It is the hidden skeleton ...

Abstract: Travel survey data has long been one of the fundamental sources for travel mode choice behavior analysis. It can provide a wealth of travel-related information and detailed household ...