Smart locks have a notable inconvenience: running out of power. Lockin, maker of vein-recognition locks, debuted its newest ...
17don MSN
Photo essay: Invisible infrared surveillance technology and those caught in its digital cage
When you unlock a phone, step into view of a security camera or drive past a license plate reader at night, beams of infrared light - invisible to the naked eye — shine onto the unique contours of ...
Researchers demonstrate the conversion of infrared images to the visible, using ultrathin and transparent semiconductor nanocrystals. The demand for detecting infrared (IR) light, invisible to human ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback