After discussing the quirks in 3D modeling software, where a laser beam is treated as a solid object that can cast a shadow, ...

This could enable new tech for controlling light with light, opening doors to advanced fabrication, imaging, and illumination ...

Durability, whether you prefer flood, spot or adjustable beams, and the type of light -- LED, incandescent or krypton -- are other important factors to consider. CNET spent hours researching and ...