I fixed a few bugs on the Rolodex yesterday — some of the feeds weren’t updating and modifying sites wasn’t working properly. (Members get the mini-feedreader view!)

KDO Rolodex · kottke.org

A list of kindred spirits, friends, open web enthusiasts, role models, fellow travelers, and collaborators.

“Since 1900, scientists have observed more than 20 phases of ice, many of them shaped under extreme conditions. The growing list includes hot ice and even ice that conducts electricity.”

Physicists Discover the Most Complex Forms of Ice Yet | Quanta Magazine · quantamagazine.org

Scientists keep detecting new forms of ice. According to simulations, there could be many more left to find.

On the futility of border walls. “The Ozymandian ruins of many such walls litter our ancient and modern landscapes, because for as long as humanity has built hard borders, people have inevitably found ways to cross, topple or simply bypass them.”

Do stronger borders ever work? · theguardian.com

Leaders have thrown up walls and barriers throughout history – but their effects are unpredictable

The Secret to Success Is ‘Monotasking’. “We find that in ­real‑world work, the more switches in attention a person makes, the lower is their end‑­of‑day assessed productivity.”

The Secret to Success Is ‘Monotasking’ · theatlantic.com

In a world full of distractions, getting your brain to focus on one thing at a time requires radical measures.