#championing

But if the universe is unnatural and fine-tuned for life, the lucky outcome of a cosmic roulette wheel, then it stands to reason that a vast and diverse “multiverse” of universes must exist beyond our reach — the lifeless products of less serendipitous spins. This multiverse renders our universe impossible to fully understand on its own terms.

Two years ago, he agreed to become the inaugural director of the new Center for Future High Energy Physics in Beijing. He has since visited China 18 times, campaigning for the construction of a machine of unprecedented scale: a circular particle collider up to 60 miles in circumference, or nearly four times as big around as Europe’s Large Hadron Collider (LHC). Nicknamed the “Great Collider,” and estimated to cost roughly $10 billion over 30 years, it would succeed the LHC as the new center of the physics universe. According to Arkani-Hamed and those who agree with him, this 100-trillion-electron-volt (TeV) collider would slam subatomic particles together hard enough to either find the particles that the LHC could not muster or rule them out, rescuing or killing the naturalness principle and propelling physicists toward one of two radically different pictures: that of a knowable universe, or an unknowable multiverse.

Whether a 100-TeV collider materializes or not, Arkani-Hamed’s legacy may rest on a different and potentially more important campaign. Even as he chases the question of whether the properties of the universe are natural, he is also seeking to discover what gives rise to space and time in the first place. As radical as it sounds, many physicists now think that the spatiotemporal dimensions we seem to move around in are not fundamental, but rather emerge from a deeper, truer description of reality. And in 2013, an unexpected discovery by Arkani-Hamed and his student Jaroslav Trnka offered a possible clue to what the underlying laws of nature might look like.

They uncovered a multifaceted geometric object whose volume encodes the outcomes of particle collisions — beastly numbers to calculate with traditional methods. The discovery suggested that the usual picture of particles interacting in space and time is obscuring something far simpler: the timeless logic of intersecting lines and planes. Although the “amplituhedron” (as Arkani-Hamed and Trnka dubbed their object) initially described a simplified version of particle physics, researchers are now working to extend its geometry to describe more realistic particle interactions and forces, including gravity. “It looks like we are going to be able to go very far,” said Zvi Bern, a leader in this research discipline at the University of California, Los Angeles. Arkani-Hamed’s own research is proceeding apace, and he freely speculates about where it will lead.

Maine Democrats pick new candidate after primary shakeup Fox News correspondent Alexis McAdams reports from Bangor, Maine, on the Democratic Party’s selection of Troy Jackson as their new Senate candidate. This decision comes after Graham Platner withdrew his bid, sparking a scramble for a replacement. NEWYou can now listen to Fox News articles! Despite past calls to make the popular vote the…

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Championing Israel’s wounded warriors | The Jerusalem PostJerusalem Post/Israel News/Israel Culture Sam Zussman, head of Friends of Irgun Nechei Zahal in the US, shares his mission to support HYDROTHERAPY POOL at Bet Halochem, Tel Aviv.(photo credit: Roey Tohar)ByALAN ROSENBAUMSEPTEMBER 18, 2025 14:20Updated: SEPTEMBER 18, 2025 14:23

REMAPSEN celebrates 5 years of championing health and environmental awareness across Africa – Nsemkeka Today, June 13, 2025, marks a significant milestone for the African Network of Journalists for the Promotion of Health and the Environment (REMAPSEN) as it celebrates its fifth anniversary. Since its founding in 2020, REMAPSEN has grown into a formidable coalition of journalists and media…