Lasers, Lauren McCarthy, Laura Poitras, Sterling and Umwelt

The always lovely and talented Seb Lee-Delisle has posted some updates on his work with lasers.

Lauren McCarthy has made a hat that gives you electric shocks if you aren’t smiling.

How Laura Poitras Helped Snowden Spill His Secrets from the New York Times.

From Beyond the Coming Age of Networked Matter by Bruce Sterling.

The Wikipedia definition of Umwelt, and xkcd’s.