We are Longhill Technologies inc., LTi. We are a woman-owned, small business located near Staunton Virginia, in Augusta County, about midway down the Shenandoah Valley. LTi started at the end of 2000. Our people have been in the radiation business since 1979. We provide shielding for radiation protection of electronics, optics, and personnel, in space and here on Earth. Click on the appropriate of the top three buttons and learn more. We provide dose modeling for determining the radiation dose your flight experiment, or beam exposure, or spacecraft design. Click on the appropriate of the bottom three buttons and learn more. Contact Information: Longhill Technologies inc. 140 New Hope & Crimora Road Waynesboro, VA 22980 Sales: sales@PolyRAD.net Technical: LonghillTechnologies@PolyRAD.net 1-540-363-0104 (Voice) 1-309-294-6789 (Fax)