The theory of panspermia holds that life is spread through the cosmos via asteroids, comets, and other objects. When the ...

Abstract: In this paper, we derive variational formulas for the asymptotic exponents (i.e., convergence rates) of the concentration and isoperimetric functions in the product Polish probability space ...

Sperm struggles to find its way to an egg in microgravity, suggesting mammalian reproduction in space may not be possible.

Abstract: We present a comprehensive tutorial on the finite-difference time-domain (FDTD) modeling of space, time, and space-time-varying media, building upon our previous review by offering a ...