EC ENGR M185
Introduction to Plasmas in the Laboratory, Space, and Engineering
Lecture and discussion. The registrar has published a final exam time.
Fall 2026: 1 lecture and 1 discussion. Nothing here is open. The oldest of these readings was 7 hours ago.
Also listed as EPS SCI M156 (closed, 11 of 11 enrolled), PHYSICS M122 (waitlist, 35 of 35 enrolled): the same class, and each department holds its own seats and its own grade history.
Grades
Grade records describe outcomes. For what a course is like to take, read student reviews written on dibs below or follow the separate external review link.
Workload and assignments
Work types reported in BruinWalk reviews of this course, across recorded instructors and terms. They may differ from this term's syllabus.
dibs has not read this course’s reviews, so it cannot say what kind of work it sets. That is dibs not having looked. It is not a course without papers or exams, and the reviews linked below are the answer until dibs catches up.
From the registrar's catalog
(Same as Earth, Planetary, and Space Sciences M156 and Physics M122.) Lecture, three hours; discussion, one hour; outside study, eight hours. Requisite: course 101A or Physics 110B. Senior-level introductory course on electrodynamics of charged particles and their collective behavior in plasmas in laboratory, near-Earth space and astrophysical settings. Covers selected applications taken from fusion energy, space weather, materials processing, generation of coherent radiation and particle accelerators. Letter grading.
Sections in Fall 2026
You enroll in the discussion, not the lecture, so a discussion's status is the one that decides whether you get in. A lecture can read open while every discussion under it is full.
Seat counts as of : the oldest of these 2 readings. Seat readings are snapshots, not live availability. Their timestamps show when dibs last checked.
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Lec 1 TR 11:00am-12:15pmClosed by the department
Schaeffer, D.B.
no grade historyno enrollment count published no history
1 discussion, none open. There is no waitlist either, so the only way in is somebody dropping the lecture.
This limit is on the class, so it applies to the discussion below.
Every discussion, with its time and seats (1)
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Dis 1A
R 8:00am-8:50am · Physics and Astronomy Building 2748
Closed by the departmentno enrollment count published
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From the people who took it
Student reviews
What taking EC ENGR M185 was like: the work, the teaching, and what students wish they’d known.
Your experience could be the first.
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Seats over time in Fall 2026
How each lecture has filled since dibs first saw it.
A dot is a reading where something moved: the seat count, the status, or the waitlist.
What a flat run means, and where a line starts
Flat between dots means it did not drift, it held and then jumped, and a line starts when dibs first saw that lecture rather than reaching back before it existed. A lecture that has never moved draws a flat line across the whole window, and one with two or three readings draws a line joining them, which is too few to read a trend from.
Lec 1 · Schaeffer, D.B. · -
Nothing read since 2 Oct, 2 hours ago. Over about 1 month before that, unchanged.
Both readings say 0 seats.
How readings and alerts work
A reading and an hourly record are different things, and most charts here hold more of the second missing than present. dibs has taken readings of a section since long before it began keeping an hour-by-hour log of when it looked, so the empty stretches are dibs saying it was not keeping that log yet, not that it looked and found nothing. That is the age of the record and not a fault.
Seat counts show the last successful read, not live availability. Refreshes can be delayed by request limits or upstream interruptions. Watched sections receive priority, but an hourly update for every section is not guaranteed.
The registrar can change a seat count between our checks. Alerts depend on dibs detecting an opening and completing delivery; a quiet watch does not prove that no seat opened. Check the registrar before enrolling.