T he cellphone videos of the predator-catching plot are shaky, but they show the seconds before the lives of two strangers — and many of the college students recording them — ...

How do headphones, toys, gadgets and other devices talk to each other without any wires? Many of them connect with Bluetooth. It’s a technology that allows different devices to communicate wirelessly.

And how you can do it yourself.

Abstract: The goal of this study article is to provide a novel strategy for integrating hearing-impaired or deaf people with the general community. The goal of this project is to use Blender 3D ...

New to 3D? Learn these camera controls first ...

It turns out that some participants post .blend files, which are used by the popular Blender open-source 3D modeling system.