If you are a fastener distributor, manufacturer, end-user, or quality assurance professional, you might be interested in attending the Fastener Training Week in Cleveland, Ohio, from April 8 through April 12, 2024. This event, organized by the Fastener Training Institute (FTI) and the International Fastener Institute (IFI), is a comprehensive and intensive training program that…
Underwater navigation is a challenging problem that requires accurate and reliable methods to determine the position and orientation of underwater vehicles or objects. Traditional satellite-based navigation systems, such as GPS, are ineffective underwater due to the attenuation and scattering of radio signals in water. Therefore, alternative techniques have been developed to enable underwater positioning, navigation,…
A team of researchers from Korea and the U.S. has developed a novel metamaterial that can convert linear vibration mode ultrasound waves into circular vibration mode ultrasound waves, which can detect internal fractures in various directions within a structure. The research was published in Nature Communications. Ultrasound waves are widely used for non-destructive testing of structures,…