Author, Expert Witness, Identification, Appraisal. Click here to visit my Knife Questions Page. federal and state knife laws. Ask about the history, authenticity, value, or legality of any knife. Ask about the authenticity of knives for sale or auction on-line. Click here to visit my Knife Related Links Page. Order my knife books on line. Read my vita and bibliography.

Have the economics changed on tariffs? Tariffs on imported goods have been in the news lately. Traditional economics says that tariffs are bad because less-expensive imported goods are good for consumers. Goods cost less so people can buy more. September 17, 2016 Some geeky robotics stuff.

We have 25 years experience with glass, ceramics, plastics, wood and metals; 100 depositions and many court appearances. Is a full service materials science and engineering firm that provides modern failure analysis services to a broad range of clients. Included are the areas of litigation and patent disputes. 1435 Fulton Road Santa Rosa, CA.