Editor's Notebook
How to Keep Your Snow Fort in This Week's Heat Wave
Temperatures are expected to climb above freezing.
With temperatures this week slated to soar into the mid-30's, there are likely many Southwest Minneapolis children whose snow forts are likely to melt. That sad fate could be postponed, though, if they built their next creations out of an exotic-sounding, yet simple winter substance called Pykrete. Follow us on Facebook | Sign up for our free, daily newsletter An 86/14 mixture of water and wood pulp, the material melts much more slowly than traditional ice and snow, and is even stronger than concrete in certain respects. Its properties—and low cost—are so remarkable, it was even planned to be the main building material for an absurd-sounding Anglo-American plan to build a giant, "unsinkable" aircraft carrier in the North Atlantic to help …