Thoughts by Frank X. Didik. Can gravity by modulated? What is the speed of gravity? Does the half life and decay rate of elements vary? Does the speed of light vary? Science today is based on theory and speculation rather than hard facts. Op-Ed Views. www.DIDIK.com

frank didik, new york, design, author, film maker, videographer, photography, engineering, solar, electric, automobile, car, ev, Frank X Didik