Presigned URLs are replay attacks by design, but object storage systems like Tigris turn this into a feature by signing time into requests. Signatures expire within minutes, avoiding complex nonce coordination. Tradeoffs include no per-URL revocation, unlimited reuse before expiry, and unavoidable leakage, but self-destructing URLs make them practical for access control.
Jimmy Wales announced that Wikipedia was live at wikipedia.com on January 15, 2001. The site was intended to be a "really quite snazzy" wiki complement to the Nupedia project, offering a more collaborative and less formal environment for building an encyclopedia.
Realta Fusion has achieved a milestone by generating electricity directly from a fusion reaction, reportedly a first. The breakthrough marks a significant step toward practical fusion energy, potentially offering a clean and nearly limitless power source.
OpenAI has announced Daybreak, a new initiative focused on advancing AI safety and alignment research to ensure artificial general intelligence benefits humanity.
SpaceX has announced plans to launch approximately one million satellites to create space-based data centres, according to the European Southern Observatory (ESO). The massive satellite constellation would significantly increase the number of objects in orbit, raising concerns about light pollution and interference with astronomical observations.
Max Weinbach says he had early access to OpenAI's new model GPT-5.6 Sol, calling it his favorite model by far. He highlights that it never gives up and will keep reasoning until it's done. OpenAI announced that GPT-5.6 Sol, along with Terra and Luna, will launch publicly on Thursday, with preview access expanding globally now.