Ray Dalio 
This review explores how to design reliable wireless communication systems using reconfigurable intelligent surfaces, even when faced with hardware limitations and imperfect interference cancellation.
![Tetraquark operators are constructed from displaced quarks and antiquarks arranged in single-site, I-shaped doubly-displaced, and cross-shaped quadruply-displaced configurations, with variations denoted by ‘a’ and ‘b’ representing differing displacement orderings and encompassing two distinct color structures as defined by [latex] Eqs. (12) [/latex] and [latex] (13) [/latex].](https://arxiv.org/html/2603.19192v1/x1.png)
New lattice QCD calculations reveal that accurately describing the energies of light meson resonances requires the inclusion of operators representing more complex, tetraquark configurations.
This game doesn’t offer much help or instruction, leaving players to figure things out on their own. For instance, the Vault of Vengeance is a sealed-off puzzle with a valuable reward, but the game provides no clues on how to open it.
This review explores the structural properties of mixed orthogonal arrays and their connection to error-correcting codes, revealing new methods for constructing highly entangled quantum systems.
Researchers have developed a scalable technique to analyze and reverse virtualization-based obfuscation, a common malware defense evasion tactic.
In the dusty plains of the crypto frontier, Ledger has decided it’s time to put on a suit and tie. The company, known for its hardware wallets-those little devices that keep your Bitcoin safer than a miser’s mattress-has hired John Andrews, a former Circle executive, as its new CFO. Andrews, a man who’s spent more time in boardrooms than most of us have in our own living rooms, is tasked with steering Ledger toward a U.S. IPO. Because nothing says “we’ve made it” like ringing the Nasdaq bell.
New research delves into the intricate world of heavy flavor physics, exploring the decay patterns and internal structure of particles containing charm and bottom quarks.
Let’s not call this a “bull run” – that’s too dignified. This is more like a stampede of clueless cows wearing “I’m a Short Seller” signs. The buying pressure? Two months in the making, folks. And now it’s clashing with the heaviest concentration of leveraged short positions since the Great Crypto Crash of 2026. Spoiler: The cows are winning. For now.
Ah, Bitcoin, that fickle darling of the digital realm, has perched itself above $70,000 like a crow on a wobbly branch. Its resilience is as baffling as a nose in the middle of a face-why is it there? Who knows! Yet, here it stands, defiant amidst the selloff that saw it plummet from $75,000, as if it had tripped over its own shoelaces.
New research explores whether large language models can perform the logical reasoning needed for formal program verification, and reveals significant limitations in their ability to handle complex proofs.
