Abstract: The electron optical system is a key component of the traveling wave tube (TWT), which is used to provide the DC input to drive the device. In this paper, an electron optical system (EOS) is ...

[Baptiste Marx] shares his take on designing emergency structures using PVC pipe in a way that requires an absolute minimum of added parts. CINTRE (French, English coverage article here) is his ...

After adding the “Tools” menu last month, a redesign of the Gemini app’s prompt bar removes the box, while the model picker is being moved. On Android and iOS, the prompt bar is no longer housed in a ...