The stem cells in our teeth can be energized to fill in chips, cracks, and cavities, researchers say, and the findings could one day possibly make dental cement obsolete. The work has been conducted ...
Totally Handy - Video on MSN
Gear repair with fire and heat – metalwork magic
Strip broken gear tooth, butter weld filler metal into cavity using TIG or stick, let cool slowly to avoid cracks, then mill or grind new tooth profile to perfect mesh. If you’re enjoying this video, ...
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