Abstract: A high-sensitivity fiber-optic strain sensor, based on the Vernier effect and separated Fabry-Perot interferometers (FPIs), is proposed and experimentally demonstrated. One aircavity FPI is ...

Aimpoint, founded in 1975 by Arne Ekstrand and Gunnar Sandberg, began as a red-dot optic company and briefly ran a firearms division after hiring inventor Carl Bertie Johansson. Circa 1979 they built ...

Hundreds of customers on Netomnia’s (Substantial Group) alternative broadband network in the Bristol (South West England) area, which has now covered 2.8 million UK premises RFS (inc. 400,000 ...

The Army’s Next Generation Squad Weapon continues to field to units and see upgrades, including a carbine version that’s currently under development. The M7 and M250, both of which fire a new ...

China’s small arms – less conspicuous than its cutting-edge fighter jets but just as significant – are undergoing a major transformation. The QBZ-191 assault rifle, designed to eventually replace the ...

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Medical Imaging Center, First Affiliated Hospital, Jinan University, No. 613 West Huangpu Avenue, Tianhe District, Guangzhou, Guangdong 510630, China Guangdong Provincial Key Laboratory of Optical ...

Rick Warren is a Senior Features Editor from the United States. He is a lifelong gamer and comics fan who loves writing about everything in nerd culture, and absolutely adores Trophy hunting on PSN.