The 35mm focal length is one of the most popular choices for these photographers, which is why Leica offers three choices for M-mount photographers: the fastest is the Summilux 35 f/1.4, while the ...

A wide-angle frequency-controlled beam-scanning antenna excited by planar spoof surface plasmon polaritons (SPPs) is proposed in this paper. The scanning angle and the gains of the proposed antenna ...

What is magnetic resonance angiography? You’ve probably heard about the test called magnetic resonance imaging or MRI. In this test, radio waves, a magnetic field, and a computer create a scan of your ...