TVs

Why does the picture quality on HDTV adverts look better than normal, despite being viewed on a non-HDTV? © Getty Images

Future Technology

Why does the picture quality on HDTV adverts look better than normal, despite being viewed on a non-HDTV?

Why don't plasma & LCD TVs need to warm up like conventional tellies? © iStock

Future Technology

Why don’t plasma & LCD TVs need to warm up like conventional tellies?

How does a TV aerial work? © Getty Images

Future Technology

How does a TV aerial work?