notes

The DNS resolver Quad9 writes in its post [A public and free DNS service for a better security and privacy](https://quad9.net/news/blog/when-enforcing-copyright-starts-breaking-the-internets-plumbing/ „Quad9 | A public and free DNS service for a better security and privacy“), that infrastructure providers are increasingly under financial strain. The reason, it says, is short-sighted court rulings that have mostly been decided in favor of copyright holders’ interests. Those hit hardest are smaller, non-profit providers, while large tech companies can easily absorb such costs into their business models. If this trend continues, we risk an Internet that is almost entirely run and controlled by big IT companies. It’s an example of how the economic interests of a few are protected at the expense of the public. ...

The study “Resolution limit of the eye: how many pixels can we see?” by Maliha Ashraf (University of Cambridge), Alexandre Chapiro (Meta) and Rafał Mantiuk (University of Cambridge) provides new insights into the limits of our vision. The research team measured how many pixels the human eye can actually distinguish and arrived at about 94 pixels per degree at the center of the visual field. The paper shows that current 4K displays already practically exhaust our visual acuity, and higher resolutions are unlikely to look noticeably better. That means 8K TV should have lost much of its relevance. ...