Kids' creativity, as measured by the most recent Torrance Tests of Creative Thinking scores, has been sliding since 1990, most noticeably among our younger students. Reduced music and arts education is cited as a key factor.
I like to use the 'demolition grade' blades. They ll cut wood, metal, plaster, wire, or pretty much anything you d care to throw at them. They're made from decent carbon steel that will take and hold an edge rather well. When bought in packs of a dozen, they can be had for about a buck each.
Ceramic Blades. Ceramic blades are less common than the previous knife types and are mostly found in kitchen cutlery and pocket knives. The advantage of ceramic, which is a non-metallic solid, is its complete resistance to corrosion, extremely hard blade and ability to maintain sharpness for long time periods.here are a variety of knife blade materials and each has its own advantages and pitfalls. Here are brief descriptions of the most popular types of materials found in knife blades. Every knife owner knows that the blade is what makes or breaks a knife.