Mr. A. K. M. Shafiq Ullah, Lecturer of Physics at the Department of Mathematics & Natural Sciences gave a seminar entitled "Study of the Size and Shape of Small Particles by Small Angle Neutron Scattering" on Thursday, May 10, 2007 at 11.00 am in Room ST 603. All faculty members of the Department of MNS and some students participated in the seminar.