How a new bus line in Philadelphia is defying post-pandemic transit trends
By: Julene Paul, Assistant Professor of Planning, University of Texas at Arlington, Josh Davidson, Assistant Professor of Statistics and Data Science, Oberlin College and Conservatory When the Southeastern Pennsylvania Transportation Authority launched the 49 bus route in Philadelphia in early 2019, those who most benefited were older adults and people who already ride the bus – and […]
Space missions are getting more complex − lessons from Amazon and FedEx can inform satellite and spacecraft management in orbit
By: Wesley Marshall, Professor of Civil Engineering, University of Colorado Denver Most space mission systems historically have used one spacecraft designed to complete an entire mission independently. Whether it was a weather satellite or a human-crewed module like Apollo, nearly every spacecraft was deployed and performed its one-off mission completely on its own. But […]