SEATTLE, Wash. — Seattle’s streets are still crowded with cars, but a growing number of residents are choosing to take the city’s bikes and scooters on short trips. New data from the Seattle ...
Abstract: Generalized frequency division multiplexing with index modulation (GFDM-IM) is a new type of multi-carrier technology. In order to further improve the error ...
It seems that post-and-ring bike lock-ups are easily jimmied until the ring pops off, which may explain why so many are missing. Last month’s column was about an epidemic of posts that aren’t wearing ...