But as with previous generations, the Oura ring is chunkier than almost any ring you’re likely to wear as jewelry, which is ...

Abstract: Traditional absolute angular displacement sensors usually cannot meet the requirements of high measurement accuracy, low environmental sensitivity, and operation in small space at the same ...

Abstract: Nanoporous Pt thin films were prepared by co-sputtering Cu and Pt, followed by dealloying and coarsening. The size of the pores was controlled by the coarsening temperature. The nanoporous ...