A new device from an Israeli company is starting to draw attention: A handheld imager detects objects behind obstructions using low-power radio frequency in ranges that include those used by police speed guns.
Vayyar Imaging Ltd. is the developer and marketer. In ancient Hebrew, “vayyar” means “to see,” according to Chairman and CEO Raviv Melamed. In May, the company began offering developer-kit versions of its hardware and software product, the Walabot. In August, the company introduced Walabot DIY, a $199 version that is optimized for finding objects hidden behind concrete or wallboard walls.
Because it can moderate the damaging effects of earthquakes, base-isolation is a technique used primarily in seismically active regions. ENR takes a look at some of the largest applications of base-isolation technologies in the world.