The Variable Gravity Machine (VGM) is a SABL insert that supports a wide variety of research in the life, physical, and material sciences aboard the International Space Station (ISS). The VGM allows ...

Wide binary stars as direct probes of the nature of gravity at low acceleration weaker than about 1 nanometer per second squared have been hotly debated. The nature of gravity at such low ...

and the little triangles were his attempt to draw a link between gravity and acceleration—well before Isaac Newton came up with his laws of motion, and centuries before Albert Einstein would ...