Escaping Gravity Without FuelElectromagnetism involves both positive and negative charges. Einstein described gravity as the curvature of spacetime based on the…2d ago102d ago10
Cosmic Lessons from the Battle of LexingtonMy family woke up before sunrise today to attend the reenactment of the Battles of Lexington and Concord, which took place exactly 250…3d ago33d ago3
Life Beyond Earth and Manipulation of SpacetimeIn an interview last night, I was asked two scientific questions.5d ago75d ago7
The Impact of AI on the Human BrainIn a recent WORLD.MINDS forum led by the brilliant Rolf Dobelli, I had asked the creative MIT professor Daniela Rus: “As of now, our main…Apr 1515Apr 1515
Figuring Out What Lies Outside the Solar System is the Day Job of Astronomers, not Government…Why should Government officials be the ones who are tasked with telling us what lies outside the Solar system? After all, this is the job…Apr 159Apr 159
Generation AIToday’s infants constitute the first generation of humans who will live their entire life under the shadow of artificial intelligence (AI)…Apr 1310Apr 1310
Nurseries of BrillianceOn February 1, 1993, about 32 years ago, I arrived on my first day as a junior faculty member to my new office at Harvard University. A…Apr 116Apr 116
Interstellar PassoverIt is conceivable that the Earth-mass planet Proxima b, which lies in the habitable zone of the nearest star to the Sun, Proxima Centauri…Apr 1111Apr 1111
The Virtues of Doing Instead of TalkingArt Wright served as the “party chief” on our expedition to the Pacific Ocean, in search of fragments from the crash site of the first…Apr 93Apr 93
To Bounce or not to Bounce, that is the Question!During yesterday’s colloquium at Harvard’s Black Hole Initiative for which I served as the founding director, the brilliant Karim Thebault…Apr 86Apr 86