What is the universe made of? This question has driven astronomers for hundreds of years.For the past quarter of a century, scientists have believed...
Lunar exploration is undergoing a renaissance. Dozens of missions, organized by multiple space agencies—and increasingly by commercial companies—are set to visit the moon by...
IntroductionWhen Galileo Galilei, a mathematician at the University of Padua, trained a spyglass of his own creation on the sky, he was overwhelmed with...
Mankei TsangDepartment of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583Department of Physics, National University of Singapore, 2...