Researchers from North­eastern Uni­ver­sity are among the many sci­en­tists helping NASA use the weight­less­ness of space to design stronger mate­rials here on Earth. Struc­tural alloys might not sound familiar, but they … read more »

A com­plex system can, in prin­ciple, be observ­able – that is, the system’s com­plete internal state can be recon­structed from its out­puts, which would osten­sibly involve describing in com­plete quan­ti­ta­tive … read more »