On-line class, with additional recorded videos, labs, projects, and readings. 10:30 am – 11:45 am, Monday and Wednesday, 09-Sep-2020 to 09-Dec-2020. Weekly labs will be on-line, 3:00 pm - 5:45 pm, Thursdays, attended by Dan Johnson and Theepa Jegatheeswaran. A general description is on Moodle.