X rays Physics and Roentgens

by Internet Archive Book Images X rays Physics and Roentgens   In 1895, Wilhelm Roentgen, a German physicist, was experimenting with an electrically charged cathode tube, called a Crooke’s tube. He wrapped the tube in cardboard to shield out the visible light which it produced. A special chemical plate glowed several feet away. He speculated […]

University Experts Share 10 Reasons to Give Books as Holiday Gifts

Chicago, IL (PRWEB) November 21, 2014 Give the gift of reading, says National Louis University (NLU) and its Center for Teaching through Children’s Books (CTCB). An often overlooked gift idea, parents looking to nurture love, positive values, intelligence and success in their children may find this through the gift of a book this holiday season. […]

Grudi Associates Expands Outsourced Telecom Management Services and Telecom & IT Service Optimization to Help Businesses Maximize Their ROI

Harrisburg, PA (PRWEB) December 23, 2014 Grudi Associates has enhanced its innovative approach to helping businesses generate the maximum return on their telecom and IT investments, utilizing a blend of outsourced telecom management and telecom & IT service optimization. This approach gets the most out of a full range of telecom & IT services, from […]