The technology is not limited to detecting movement within camera view - it detects natural hand movements that extend beyond the camera, surrounding a device screen.

ENGADGET: blogger-avatar

Although that is two to three times the cost of a metal detector, it is less than the price of the fancy explosive-sniffing equipment that is the main rival technology being developed for detecting metal-free mines.

ECONOMIST: Landmines

This year's selections are set to follow in that vein, beginning with the debut of a new 46-inch transparent TV built on last year's technology, capable of detecting six points at the same time.

ENGADGET: Haier celebrates IFA with ultra high def 3D, transparent and eye-controlled TVs

Since then, the utility has been putting considerable resources into improving the safety of its infrastructure, including investing in cutting-edge methane-detecting technology.

FORBES: The New Tech that Aims to Make Methane Leaks a Thing of the Past

It should be noted, however, that even with modern radar technology detecting more minor tornadoes that could be detected in prior decades, the number of F2-to-F5 tornadoes (in other words, all but the very weakest of tornadoes) has similarly been declining since the mid-1970s.

FORBES: Global Warming Taking The Wind Out Of Tornadoes

Ideal for notebook users in shared or permanent work spaces, the Compaq L2311c sports a full HD, LED backlit LCD display panel and features HP Smart AC Technology that powers and charges HP notebook PCs while also detecting and regulating the capacity of the electrical current.

ENGADGET: HP redesigns its Magic Canvas software, plans to install it on all desktops (even non-touch ones)