With numerous models retailing for under $150, the watch line is chalked full of stylish, highly capable, affordable watches. But what if we told you Casio has just announced their latest annual Black ...

With tweaks to the shock-resistant case and serious functionality upgrades, these watches are as formidable as they are ...

Both watches are Tough Solar, Bluetooth connected, and made entirely from biomass resin, which Casio has increasingly pushed as a more eco-friendly material.

Casio has quietly refreshed its compact G-Shock lineup in Japan with a pair of models that bring a cleaner, more industrial look to the series. The two newcomers — the GM-S2110-1A1 and GM-S2110-1A7 — ...

Abstract: An open-cavity optical fiber gas pressure sensor based on the Vernier effect is proposed. The sensor consists of two Fabry-Perot interferometers (FPIs) connected in parallel. As a sensing ...

Abstract: As we all know, the change of mode interference caused by the curvature change in multi-mode fiber (MMF) can be well represented as a fiber specklegram recorded by CCD (Charge-coupled Device ...