Astrophysicist Janna Levin, PhD, is asked to explain the concept of gravity to 5 different people; a child, a teen, a college student, a grad student, and an expert.
Popular science magazine aimed at South African youth. Published quarterly.
©2021 Quest – Academy of Science of South Africa
This work is licensed under a Creative Commons Attribution 4.0 International License.
Tel.: +27(12) 349 6600/6645
Academy of Science of South Africa, 41 De Havilland Crescent, Persequor Park, Meiring Naudé Road, Lynnwood, Pretoria, South Africa