With the ability to detect and amplify extremely weak electromagnetic signals without adding additional noise, masers have ...

A high accurately theoretical analysis for high uniformity illumination distribution on the ceiling of indoor lighting LED system based on the super-positions is proposed and performed. Starting from ...

Fiber optic gyroscope (FOG) plays a critical role in aerospace, marine transportation, geological exploration, and other fields because of its advantages of low cost and broad development prospects.

Replacing your vehicle's halogen bulbs with cheap LED headlights you found on sale may sound like a good idea, but you ...