As VR viewers go, Cardboard is good -- but there are far better options for enjoying virtual reality on your smartphone.
This Chinese virtual reality headset will fit any phone with screen sizes ranging from 4.7 to 6 inches and it costs under $50.
Can zombies empathize? Are they near-sighted or far-sighted? Study up with this fully interactive model of zombie anatomy if you want to survive the zombie apocalypse.
The amazing, and frankly strange, Google Glass raises pressing questions about the futuristic head tech. CNET walks you through some common queries.
A look at how seating distance can affect stereoscopic 3D-viewing enjoyment.
Westinghouse's front-loading model is good for kids and grandma.
New technology can find elusive veins
Researchers develop "switchable" lenses, a viable alternative to bifocals associated with grocery stores and old age. Photos: Eye on 'switchable' lenses