Movies of minuscule vibrations reveal how well 5G and other mobile networks are operating.

View as a Web Page Strobe Light for 5G: NIST Imaging System Spotlights the Tiny Mechanical Hearts at the Core of Every Cellphone Inside every cellphone lies a tiny mechanical heart, beating several billion times a second. These micromechanical resonators play an essential role in cellphone communication. Buffeted by the cacophony of radio frequencies in the airwaves, these resonators select just the right frequencies for transmitting and receiving signals between mobile devices. With the growing importance of these resonators, scientists need a reliable and efficient way to make sure the devices are working properly. That's best accomplished by carefully studying the acoustic waves that the resonators generate. Read More IN CASE YOU MISSED IT NIST Helps Next-Generation Cell Technology See Past the Greenery Jan. 4, 2022 As 5G technology gets fully implemented over the next several years, cellphones and other wireless tech will grow more powerful with increased data flow and lower latency. But along with these benefits comes a question: Will your next-generation cellphone be unable to see the forest for the trees? Read More

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