They meet eight different military specification tests for high and low temperatures, vibration, altitude, dust and more.

ENGADGET: Lenovo ThinkPad L Series arrives for the eco-conscious professional

The lack of vibration motors leaves the Atlas understandably light, but its low weight makes it feel a tad more fragile than it appears to be.

ENGADGET: Green Throttle Games Atlas and Arena hands-on (video)

Its no-contact drive system uses an advanced low-noise motor and geared belt to ensure control over speed while filtering out vibration.

FORBES: EAR Disc Master Turntable