Why Samsung's Galaxy S4 (IV) is not a game-changer

Hype over Samsung's Galaxy S4 (IV) may have reached a fever pitch in recent weeks, but at least two prominent industry analysts seems less than impressed with the smartphone.

Are lithium batteries a solar storage game-changer?

The wonders of solar and wind power are incredibly promising, but the true barrier to effective energy use is the actual storage.

Yes, Apple's iCloud is a game changer

If you own an iPhone, chances are you will be one of the very many iOS 5 users to take advantage of Apple's recently introduced iCloud service.