29:29'must have', 'might have', 'should have' & 'can't have' to talk about the past: Live English Class
BBC Learning English
MIT 6.849 Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Fall 2012 View the complete course: http://ocw.mit.edu/6-849F12 Instructor: Erik Demaine This lecture presents the hydrophobicity (HP) model for protein folding and optimization using parity cases. Interlocked 3D chains are presented through a table depicting different cases for combinations of open and closed chains. License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu
Published 2014-08-26 · Watch on YouTube ↗
Availability and playback restrictions are controlled by the original channel.
29:29BBC Learning English
06:07
47:40
26:06The Royal Institution
07:47
07:28
14:14Allow Google Analytics to measure visits. Your history stays in your browser. Privacy details