The methods to investigate time-reversal invariance (TRI) violation using a
polarized neutron beam and a polarized or aligned nuclear target are brief
ly discussed. A new method of dynamic nuclear alignment (DNA) of nuclei wit
h a quadrupole moment is proposed. An implementation of this method could s
ignificantly increase the number of aligned nuclei accessible for TRI viola
tion experiments and for other physics investigations, (C) 2000 Elsevier Sc
ience B.V. All rights reserved.