New opportunities in science, materials, and biological systems in the low-gravity (magnetic levitation) environment (invited). - Brooks, J. S.; Reavis, J. A.; Medwood, R. A.; Stalcup, T. F.; Meisel, M. W.; Steinberg, E.; Arnowitz, L.; Stover, C. C.; Perenboom, J. A. A. J. (Journal of Applied Physics, 2000)