Avi LoebWhat is the Largest Acceleration in the Universe?Fighter-jet pilots can survive an acceleration ten times larger than the gravitational acceleration on the surface of Earth, 10 g…1d ago11d ago1
Avi LoebThe Limits of What We Can SeeThe academic year just started at Harvard University. As I entered the classroom, it was humming with many new students. The class I teach…2d ago22d ago2
Avi LoebA Black Hole AtomThe event horizon of a black hole with a mass of half a billion tons, similar to the mass of a kilometer-size asteroid, has the radius of a…4d ago84d ago8
Avi LoebDiscovery of an Earth-Mass Planet Near a White DwarfThe lifespan of the Sun is 12.3 billion years. This is 1.5 billion years shorter than the age of the Universe, 13.8 billion years. If the…5d ago45d ago4
Avi LoebFrom`Star Wars’ to Coexistence Under the StarsThe nostalgic new film `Reagan’ brought tears to my eyes by portraying the Strategic Defense Initiative (SDI), a proposed missile defense…6d ago16d ago1
Avi LoebThere Are No Illegal Aliens in Interstellar SpaceThe Preamble of the U.S. Constitution acknowledges the “Blessings of Liberty.” There is no greater privilege on Earth than the freedom from…Sep 35Sep 35
Avi LoebThe Bigger, the BetterWhy do animals join herds? Because a coordinated effort can be more than the sum of its parts. Synchronized action leads to a stronger…Sep 26Sep 26
Avi LoebOn Fruit Flies, Whales, Extraterrestrials and ReligionAre we the smartest kids in our cosmic block? Any breaking news on this matter will impact our self-esteem and ego. But will it also be in…Sep 17Sep 17
Avi LoebIs Scientific Information Welcome?Following the debate four years ago on whether COVID-19 originated in a lab leak or an infected animal, a distinguished scientist said…Aug 309Aug 309
Avi LoebHow Do Mini Black Holes Accrete?A classical black hole is the ultimate prison. An experimentalist can check into it to study quantum-gravity effects near its center, but…Aug 292Aug 292
