The Magic of Teaching Science Labs Isn't Lost Online

The Magic of Teaching Science Labs Isn't Lost Online

To help flatten the curve of Covid-19 cases, universities across the nation have closed, and many professors are scrambling to transition to teaching online.Both of us have experience teaching lab courses in person, which often already involve an online interface for sharing syllabi, files, grades, and to foster student discussion.

NATO Group Catfished Soldiers to Prove a Point About Privacy

NATO Group Catfished Soldiers to Prove a Point About Privacy

Over four weeks, the researchers developed fake pages and closed groups on Facebook that looked like they were associated with the military exercise, as well as profiles impersonating service members both real and imagined.

The Hail Mary Plan to Restart a Hacked US Electric Grid

The Hail Mary Plan to Restart a Hacked US Electric Grid

After failures plague Utility B, Utility A then needs to step in, restarting to offer redundant power to that same critical customer.In order to interact and safely share electricity, utilities also need to get their electromagnetic frequencies in tune at around 60 hertz, so part of the exercise involved not just getting Utility A and B running, but syncing them."We had 18 substations, two utilities, two command centers, and we had two generation sources that we had to bring up a crank path and synchronize," says Stan Pietrowicz, a researcher at Perspecta Labs who is working on a black start network analysis and threat detection tool through RADICS.