European astronomers have carried out multi-wavelength radio observations of a radio galaxy designated 3C 111. Results of the ...

Sandia National Laboratories principal investigator Jacques Loui, left, and a firmware developer are part of a team redesigning high-performance radar as a flexible, multipurpose sensor ...

Of course, no matter how high the frequency, the basics still apply, and [FesZ] points out in the video below that you can still get a lot of mileage out of the Mark 1 eyeball and a simple DMM.

The higher the frequency, the sharper the image becomes, revealing structure, size, and shape that was previously less discernible.