"Microlaser" the size of a cell can regulate the activity of the brain
Source:Scientists spent years trying to create lasers smaller and smaller sizes. The latest invention labs Berkeley, however, special in its kind and can lead to significant changes in medicine. An international group of scientists has developed a "microlaser," which are smaller red blood cells. Scientists have discovered that polymeric beads of size 5 microns, mixed with exotic nanoparticles (sodium-yttrium fluoride filled with thulium) can stably emit a bright light at certain wavelengths when exposed to infrared light. Such a mixture causes the light to bounce off the inner surface of the bulb, giving rise to collisions which can significantly amplify light — sort of a echo effect in the gallery, when even a quiet sound with proper acoustics in a large room sweeps roar.
Even in this still unfinished state of the balls with lasers can work for five hours of continuous use when immersed in blood or other is not the clear liquid. Also they don't wear out. Scientists have found that the bulbs continue to function in the form of lasers after months or years. And if you need to recharge or redirect the laser, you can use the infrared light, that of a "dispersal" of the laser.
Of Course, before the idea will find application, it will have to improve and improve. Scientists are still considering the possibility of modify and customize the elements of nanoparticles and composition of the beads to optimize the performance and direction of the laser beam. However, the consequences can be much more far-reaching. Scientists from Berkeley reported that their development can be used to control the activity of neurons that may be useful in disorders of the brain. They can also be useful for sensors that detect chemical and environmental changes, or a new wave of optical chips. Any of these applications probably will not be soon, but it's a start.
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