Portsmouth Naval Shipyard welds first metal 3D-printed submarine component

Portsmouth Naval Shipyard announced it achieved a significant milestone by successfully inspecting and testing the first welded additive manufactured (AM) flange aboard USS Washington (SSN 787), March ...
IEEE

OTA testing of 3G-5G devices with MIMO: From anechoic chambers to reverberation chambers and … back again?

Abstract: The present paper describes the paradigm shift in OTA testing that came with the arrival of the 4G wireless system. The testing was previously mainly done in anechoic Line-Of-Sight (LOS) ...
businessday

Nigeria’s rural dead zones set to light up with Starlink phone coverage

Nigeria’s long-standing rural mobile dead zones are set to vanish as Airtel Africa rolls out Starlink’s Direct-to-Cell service this year, delivering phone coverage straight from satellites to ordinary ...
SciELO

Correlation between Peel Test and Real Time Ultrasonic Test for Quality Diagnosis in Resistance Spot Welding

This paper aimed to study the correlation between Real Time Integrated Weld Analyzer measurements and peel test results. The experiment involved study of weld nuggets for different combinations of ...