Winter is upon us. And though you may find yourself whiling away these cold months with nothing more than hot cocoa and stories around the fire, it may be that you are called to battle. Perhaps you ...

How do you top building the world's largest ice dome? Well, if you're the Eindhoven University of Technology, you build a 40-meter (131-ft)-high model of Barcelona's Sagrada Familia basilica ... and ...

Winston Churchill had a project to produce a 2.2 million ton pykrete (ice and wood pulp) aircraft carrier that would have been 1200 meters long and 180 meters wide. This would have made it 3.5 times ...

Steel was in short supply during the height of World War II, and there was nothing to be done but invent a replacement. One proposal was called Pykrete, a mixture of ice and sawdust that melted ...

Jem has set himself another challenge - and this time it requires your help. Difficulty: low Find a suitable material and make your pykrete bars. Time/effort: The bars should be frozen for at least ...