Picture the street outside your home. Now erase the power lines. Imagine interstate highways without the unsightly cable towers that dot the expansive United States landscape. This could be the wireless future of energy if a partnership between New Zealand’s government and a startup called Emrod works out—and it all dates back to the wildest dreams of Nikola Tesla.
The U.S. Air Force plans to have an operational combat drone by 2023. The service plans to build out a family of unmanned aircraft, known as Skyborg, capable of carrying weapons and actively participating in combat. The Air Force’s goal is to build up a large fleet of armed, sort-of disposable jets that don’t need conventional runways to take off and land.
Several prominent academic mathematicians want to sever ties with police departments across the U.S., according to a letter submitted to Notices of the American Mathematical Society on June 15. The letter arrived weeks after widespread protests against police brutality, and has inspired over 1,500 other researchers to join the boycott.