The White House may ban its employees from using personal mobile phones while at work, raising concerns among some staffers including that they’ll be cut off from family and friends, according to seven administration officials. President Donald Trump has repeatedly complained about press leaks since taking office, but one official said the potential change isn’t connected […]

Researchers at Dartmouth University have found that a 3D printed shape covered in aluminum foil can improve wireless range and increase Wi-Fi security. The project, which appeared on Eurekalert, involves placing a reflector on and around a Wi-Fi router’s antennae to shape the beam, increasing range and preventing it from passing through to unwanted spaces. […]