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Best Yoga Mat (2025), Tested and Reviewed

When it comes to choosing a yoga mat, there’s more to it than meets your third eye chakra. Sourcing a stylish design might look good in a yoga class, but a mat that feels easy to move on and offers essential grip is key to perfecting your poses. From dynamic moves such as dolphin plank or crow pose to a restorative savasana at the end of your practice, using a supportive and comfortable yoga mat can make all the difference. Grip, flexibility, and materials that clean easily are all important fa

Collatz's Ant and Σ(n)

Collatz's Ant and Σ(n) Relevant preceding posts here and here. Consider the corresponding ant’s landscape development for $n = 500$: with the last frame being: Let’s also consider a score function $\Sigma(n)$ which returns the number of 1’s (or marked states) left by the ant on the corresponding landscape (regarding the last frame). With the prior example, we would have $\Sigma(500) = 54$. We might also want to normalize this by the corresponding stopping time $\tau_{n}$ characteristic of th

How to Protest Safely in the Age of Surveillance

If you insist on using biometric unlocking methods to have faster access to your devices, keep in mind that some phones have an emergency function to disable these types of locks. Hold the wake button and one of the volume buttons simultaneously on an iPhone, for instance, and it will lock itself and require a passcode to unlock rather than FaceID or TouchID, even if they’re enabled. Most devices also let you take photos or record video without unlocking them first, a good way to keep your phone