Generally, the biggest problem a new ham radio operator will come across when starting out on the high frequency (HF) bands is finding physical space for the antennas. For a quick example, a dipole ...

Could tiny magnetic objects, that rapidly clump together and instantly fall apart again, one day perform delicate procedures ...

Marked "AALCO Folding Loop / Made by AALCO Radio Lab. / Chicago / Reg. U.S. Pat. Office." Antenna was designed for neutrodyne or superheterodyne receivers employing indoor loop antennas. Construction ...

Abstract: Standard measurement procedures CISPR 36 for magnetic field measurements below 30 MHz is time consuming. To maintain realistic measurement time, standards limit the amount of the measurement ...

A new approach developed by Boston College physics researchers creates synthetic layered magnets with a unprecedented level of control over their magnetic properties The magnetic properties of a ...

Storing and syncing files in the cloud makes your life easier and keeps your data safer. The best cloud storage services we've tested let you easily share and access files from anywhere and restore ...

Forget keys! The best smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for consumer ...

Those of us ancient enough to remember the time, or even having grown up during the heyday of the 8-bit home computer, may recall the pain of trying to make your latest creation work on another brand ...

Abstract: This study investigated the decoupling mechanism of capacitors in multiple-input–multiple-output (MIMO) antenna designs based on characteristic mode analysis (CMA). First, a two-port ...