Which Information Can be Trusted in the Age of AI?Two undergraduate students from the UK, Fin Boardman and Josh Mallinson, requested a zoom session with me earlier this week with a simple…14h ago414h ago4
The Tension Between Anomalies in the Sky and National SecurityThe sky is our window to the Universe. Looking up allows us to get informed about our cosmic roots. A lot has happened over the past 13.8…2d ago82d ago8
History of the Duration of a Day on EarthOur life is structured around the daily cycle of 24 hours. But there is no fundamental reason for this period. In fact, it was different in…4d ago144d ago14
Where Should We Search for Extraterrestrial Life?The task of astrobiologists who seek evidence for extrasolar microbes is as simple as imitation. Primitive forms of life should exist under…6d ago86d ago8
Going Fishing on TitanMy biggest wish for a journey in the Solar system is to go fishing on Titan. Being the largest moon of Saturn, Titan was discovered through…Jan 34Jan 34
Saving Earth with Starships in the next 5-Billion YearsElon Musk’s vision is to save humanity from a single planet catastrophe by transporting humans from Earth to Mars with the reusable rocket…Jan 15Jan 15
Surveillance of Earth by “Dark Comets”A small jump away from the gravitational pull of a rocky object reaches a height above the surface that scales inversely with the global…Dec 30, 20243Dec 30, 20243
Innovation in 2025, on Earth and BeyondFollowing a public lecture yesterday, I was asked by Racheli Kreisberg what is the most effective method for inspiring innovation in…Dec 28, 20247Dec 28, 20247
My New Bet for 2025–2035 Against Elon MuskIt takes light more time to reach us from greater distances. Hence, by detecting farther galaxies than ever before, the Webb telescope…Dec 26, 202426Dec 26, 202426
Illuminating the DarknessMy wife woke me up at 1:45AM on our visit to Tel Aviv as sirens alerted local residents to an approaching missile, launched by the…Dec 24, 20245Dec 24, 20245
