Subwoofers - A quick guide and information

Subwoofer facts and everything you need to know

A subwoofer (or "sub") is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as the "bass". The typical frequency range for a subwoofer is about 20–200 Hz for consumer products,below 100 Hz for professional live sound, and below 80 Hz in THX-approved systems.Subwoofers are intended to augment the low frequency range of loudspeakers covering higher frequency bands.

Nano Robots... Amazing and real !

University of Pennsylvania researchers have developed a system that enables nano quadrotors to fly in incredible, fear-inducing formation.

We humans have a peculiar relationship with robots. On the one hand, we create them, and they amaze us with their awesomeness. On the other, well, have you ever heard of a little thing called Terminator?