LED (Light Emitting Diodes) is the sources of light energy which directly converts electrical energy into light unlike incandescent bulbs. It is proven that the efficiency of the LED can be improved using QD-Quantum Dots.
QD (combines advanced spectroscopy and Nanotechnology) are semiconductor materials which are recently engineered Nanotechnology by Los Alamos National Laboratory. QD-LEDs have improved efficiency over conventional LEDs.
Another improvement in utilization of light is in measuring glucose level in blood by a team of German researchers. They published a new method in the current edition of Review of Scientific Instruments which includes measuring the skin glucose level; directly related to blood glucose. By passing a beam of laser light on top of skin (without pricking and pain) the glucose level under the skin can be measured.
Source: Eureka Alerts
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