We present the densest known packing of regular tetrahedra with density = 4000 4671 = 0.856347.... Like the recently discovered packings of Kallus et al. and Torquato
Elizabeth R. Chen, Michael Engel, Sharon C. Glotze...
Visual inspection of neurons suggests that dendritic orientation may be determined both by internal constraints (e.g. membrane tension) and by external vector fields (e.g. neurotr...