Elon Musk’s plans refer to an idea conceived in the 1960s. What is the Kardashev scale?

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Israel is readying its combat-proven Arrow system for future missile wars with next-generation interceptors

Arrow 4 entering the serial production phase will mark a major milestone for Israel's top air defense system.
JD Supra

Unpacking FAR Case 2026-001: What the Overhaul Means for SAM Registration, Agency-Level Protests, and Information Security and Supply Chain Security

As promised in our recent blog post, Revolutionary FAR Overhaul Update: Rulemaking Phase Begins with the Issuance of Four Proposed Rules, we’re now digging a bit deeper into FAR Case 2026-001. The ...
eLife

Human cerebellum and ventral tegmental area interact during extinction of learned fear

The cerebellum and ventral tegmental area interact during unexpected omissions of aversive outcomes in humans, supporting a role for reward-like prediction error signaling in fear extinction learning.
OSTechNix

Racket Core Concepts: A Practical Guide to Learning Racket Programming

Learn the important Racket concepts with practical examples, from functions and recursion to macros, contracts, streams, and ...