All of these features will help take the new, dual-function XO to a new level.

ENGADGET: One Laptop Per Child's XO-4 Touch 'expected' to be released in Q1 2013

Cooling fan: Unlike conventional heaters it has a dual-mode function as a cooling fan.

ENGADGET: Dyson intros Hot AM04, aims to change the home heating game (video)

The Blu-ray player also employs a dual core processor to handle the All-in-One search function.

ENGADGET: LG's 2013 AV lineup puts NFC into Blu-ray player, 9.1-channel home theater

Galaxy S 4 is the perfect device for vividly capturing life's most important moments by featuring dual cameras: a 13-megapixel rear-facing camera and 2-megapixel front-facing camera with a Dual Camera function allowing simultaneous use of both cameras.

ENGADGET: Samsung Galaxy S 4 priced at $150 on Sprint and T-Mobile, hits both carriers in late April