My talk at NTNU in Jan 2009 on Nobel-Prize Winners 2008

My talk at NTU in Nov 2008

My CYCU talk on Dec 8, 2009 in PowerPoint, in PDF

My talk at Yi-Lan High School

My Nobel Talk at TMEU on Dec 18 2009

My Olympiad preparation talk at Yi-Lang High School on Jan 7 '10  I  II

My talk at AS on 5/29 '10

My talk at TNUA on 10/28 '10

My talk at NTU on 12/08  '10

My talk at TaiChung High school A, B

My Olympiad preparation talk at Wu-Ling High School on Jan 12 '11  Powerpoint

My Olympiad preparation talk at Yi-Lang High School on Jan 14 '11  Powerpoint