Freedom of Creation (FOC), an organization within the Netherlands, bought 3D printed products made from laser-sintered polyamide, together with lighting with intricate geometric designs...
Donahue, Mary. "Thunderstorm and Lighting Safety." DeAnza Faculty. Can you calculate how far away lighting struck by how long it takes for the thunder...
Chinworth, William C. (15 March 2006). The way forward for the Ohio Class Submarine (PDF) (Grasp of Strategic Research thesis). Terdoslavich, William (2006). The...