Whiteboard: lecture notes on forces, interactions

#CuestaPhys205A students: whiteboard #phys101 lecture notes on weight force pic.twitter.com/k1NsOPAU9J

— Patrick M. Len (@Patrick_M_Len) September 12, 2013

#CuestaPhys205A students: whiteboard #phys101 lecture notes on tension, normal forces pic.twitter.com/jafqz8QokD

— Patrick M. Len (@Patrick_M_Len) September 12, 2013

#CuestaPhys205A students: whiteboard #phys101 lecture notes on static/kinetic friction ("Max" is the elephant's name) pic.twitter.com/UImOy97ecH

— Patrick M. Len (@Patrick_M_Len) September 12, 2013

Tweet: North County campus telescope shelter

#CuestaAstr210 students: new North County campus telescope shelter will be fully operational soon. pic.twitter.com/MPK9u51LgN

— Patrick M. Len (@Patrick_M_Len) August 29, 2013

Tweet: Delta IV Heavy NROL-65 launch

#CuestaPhys205A students: anyone else have pics of the Delta IV Heavy NROL-65 launch from Vandenberg AFB? pic.twitter.com/PfRG3JYbeA

— Patrick M. Len (@Patrick_M_Len) August 28, 2013