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The latest blog posts to take off on Hacker News. 4,807 posts.

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3513

Understanding Image Sharpness (2003)

The sharpness of a photographic imaging system or of a component of the system (lens, film, image sensor, scanner, enlarging lens, etc.) is characterized by a parameter called Modulation Transfer Function (MTF) , also known as spatial frequency response. We present a unique visual explanation of MTF and how it relates…

3530

Yubikey/Smartcard backed TLS servers

It has become clear that storing secrets in computers is hard. The best demo to the world that storing secrets on “online” computers is hard and sometimes devastating, is the large amounts of cryptocurrency theft due to critical keys being in memory of systems directly or indirectly connected to the internet.

3536

Dumber phone

Less is exponentially more – Rob Pike Smart phones are useful, but they are also incredibly addictive, and that addiction is at the epicenter of Silicon Valley’s effort to grab an ever-increasing percentage of our minds. If a substance or behavior controls us, it becomes our master, and that just won’t do. For the…

3538

Review: Purism Librem13 laptop

Last year Purism contacted me after they read on the Pepper&Carrot blog that my laptop has been stolen in the burglary of my house. At that time, they proposed me to contribute to my Pepper&Carrot project by sending me a shiny new Librem13 laptop. So, since October 2017 I have this laptop with me and because I saw a…