TechRadar has been testing camera equipment for two decades. In that time, we’ve reviewed every Sony E-mount lens worth considering, from wide-angle primes to super-telephoto zooms. With so many ...

Science gadgets - This is a optical prism made of high quality K9 grade crystal glass. All surfaces of this little prism can be refracted, and it presents different at different angles in the same ...

The design is based on a based on a specialized ultra-thin piezoelectric polymer actuator that when integrated into a flexible OLED panel enables electrically driven shape transformation into a wide ...

To prevent these issues, concave-convex pool components are essential, providing smooth transitions and more efficient water flow management. These elements eliminate sharp edges, increasing ...

Light is initially reflected off the primary mirror at the back of the lens onto the much smaller secondary mirror at the front of the lens and then refractive elements finish the job. There are some ...

Chris McNally is a cyclist and an artist located in the San Francisco area. He’s done a bunch of stuff for cycling brands like Blackburn, Ibis Cycles, and Vanilla. And, this time around, he’s been ...

We all know how important the derailleur hanger is when it comes to how well your bike shifts. Well, Wheels Manufacturing (Mfg) has released a new subscription club – the Random Derailleur Hanger of ...

To address the problem, we propose a constrained-concave-convex programming (CCCP)-based beamforming design algorithm which exploits semidefinite relaxation (SDR) technique and a penalty method to ...

Motion planning and Navigation of AGV/AMR：ROS planner plugin implementation of A*, JPS, D*, LPA*, D* Lite, Theta*, RRT, RRT*, RRT-Connect, Informed RRT*, ACO, PSO ...

Other critics note that it's theoretically possible to have concave indifference curves or even circular curves that are either convex or concave to the origin at various points. An indifference ...