PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

If you work with PDF files regularly then a PDF editor is an indispensable tool. Whether it’s part of your job, you manage PDF files for your own personal use, or you just need to complete a one-off ...

HOHENFELS, Germany — Spc. Basil Holland looked on with keen interest this week as a Performance Drone Works C100 quadcopter with an invention of his attached took to the sky carrying four simulated ...

LED billboards are cyberpunk-dystopian enough for most, but it can get worse. For example, this project by [Concept Crafted Creations] that takes the whole concept and takes it airborn (literally) in ...

Abstract: This letter addresses the design of a global saturated trajectory tracking controller for a quadcopter in the presence of external disturbances. The proposed control law guarantees that (i) ...

Host Keith Shaw and his expert guests discuss the latest technology news and trends happening in the industry. Watch new episodes twice each week or listen to the podcast here. In today’s 2-Minute ...

Sometimes when you’re making a PCB that you plan on programming over USB, but you only plan on plugging in a couple of times, it would be nice to make that connection without another BOM item. Over on ...

Abstract: Video imagery of surface waves recorded from a small off-the-shelf quadcopter with a self-stabilizing camera gimbal is analyzed to estimate the surface current field. The nadir looking ...

Israel has murdered at least six people by shooting them from quadcopters in the Shuja’iyya district of Gaza City today, as they inspected the ruins of their homes, despite the supposed ‘ceasefire’ in ...

A Medium Extended Air Defense System missile is launched to intercept a target during a MEADS test at White Sands Missile Range Nov. 29. (John Hamilton / White Sands Missile Range Public Affairs) AUSA ...

THE usual formula for drift of a projectile due to cross-wind is: where w is velocity of cross-wind (ft./sec.), t is time of flight (sec), x is range through air (ft.), v is muzzle velocity relative ...