Daily Archives: August 16, 2012

10:10 A-4:30P, 9:00P – 11:40 P (8A-10A volleyball practice) etching sample S7 from 6/25 (coverslip 2 from last night).  sample disolved clean away at 55 min.  (previous sample over-etched at 1hr:30, sample before that nicely etched at 1 hr 30, … Continue reading →