“Invisibility” is a goal that has been long sought after by the  Militaries. An operational cloaking chip could be an extension of technologies such as radar-absorbing dark paint used on stealth aircraft, local optical camouflage, surface cooling to minimize electromagnetic IR emissions, or electromagnetic wave scattering. Metamaterials are the primary materials  …

The U.S. Navy Northrop Grumman MQ-4C Triton long-range maritime patrol unmanned aerial vehicle (UAV) became operational in 2018, yet the unmanned aircraft continue to evolve with upgrades and add capabilities that include signals intelligence (SIGINT) and sense-and-avoid radar.   The MQ-4C Triton Unmanned Aircraft System (UAS), is a high altitude, …