You can gently, gradually insist on small separations in these situations, listening as long as your child needs to cry. (handinhandparenting.org)
Taking about 20 different materials from the periodic table — mostly metals — Miller calculated the maximum heat transfer between pairs of them, at extremely small separations. (sciencedaily.com)
Adaptive optics cancels out much of Earth's atmospheric interference, improving the image sharpness by a factor of ten and enabling the very small separation binary to be resolved. (keckobservatory.org)