Anastasios Simopoulos, Middleboro, Mass., has developed a power converter with synchronous rectification and digital current sharing. The inventor was issued U.S. Patent No. 7,724,555 on May 25. According to the abstract released by the U.S. Patent & Trademark Office: “Converters that employ synchronous rectification, such as DC/DC converters, are disclosed. These converters can control their synchronous rectifiers to selectively block [...]

Finding just the right family tree chart to organize or display your ancestry research has never been easier. This new Free Printable Family Tree section offers specific family trees and family tree resources neatly organized on 18 new web pages. All the family trees have been designed by a professional graphic designer, Lia Rodriguez and are available to download for [...]