5 ms·
The material might actually help. I'm guessing that as you slide the blocks against each-other, friction melts the surfaces. When the blocks settle, the surface
by markisus 4y ago
The material might actually help. I'm guessing that as you slide the blocks against each-other, friction melts the surfaces. When the blocks settle, the surfaces re-freeze, gluing them together.
- deelowe 4y agoThey pack the gaps with snow and the blocks are cut on an angle so they are larger on the outside than the inside. Also, igloos aren't built out of ice. It's compacted snow. Much easier to work with.