How It Works issue 30 on sale now!

Issue highlights:

Supermassive black holes – Discover how this huge phenomenon can swallow up a galaxy.

– Find out what could happen if one of these geological giants woke up.

Samsung Galaxy Nexus – Find out what’s inside the first Android smartphone to use the Ice Cream Sandwich operating system.

Science of fire
– Learn about this bewildering yet often deadly force of nature.

Dreamliner – Learn why the Boeing 787 Dreamliner is currently one of the most efficient aircraft in the aviation industry.

Dassault Mirage– Why has this popular French fighter jet endured for so long?

How It Works is on sale right now in supermarkets, WHSmiths and all good newsagents.