The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...

As cans took off in the craft beer space, the crowler — a can growler — took off. At 32 ounces, it can be filled to order and then seamed shut to be brought home or elsewhere.

As cans took off in the craft beer space, the crowler — a can growler — took off. At 32 ounces, it can be filled to order and then seamed shut to be brought home or elsewhere.