Abstract: Although most aircraft are equipped with active communication systems such as ADS-B and satellite links, these systems may fail in emergencies or when signals are lost. At this point, remote ...

Abstract: A new approach to realizing physically-secured ghost diffraction and transmission is proposed in this letter. A series of random 2D arrays of numbers are used as optical information carriers ...

Fraunhofer scientists have announced two efficiency records for III-V tandem modules. The team says its 34.2% efficiency III-V germanium PV module is the most efficient solar module in the world, ...

Germany’s leading applied research organisation, the Fraunhofer Society, is giving its spin-out fund a boost, with a planned capitalisation of €90 million. The fund will also be opened up to the ...

It’s a familiar moment in math class—students are asked to solve a problem, and some jump in confidently while others freeze, unsure where to begin. When students don’t yet have a clear mental model ...