poprock wrote:This is promising.
https://www.newscientist.com/article/2191814-we-may-finally-know-what-causes-alzheimers-and-how-to-stop-it/
tl;dr – It looks like scientists have probably figured out what causes Alzheimers. And it’s a bacteria we already understand, because it’s also the cause of gum disease. This is really hopeful news.
hylian_elf wrote:Ideally should brush teeth after every meal. I dry-brush mine. And floss too. If I can’t, at the very least I chew.
Researchers have created a physical artificial neural network — a device modeled on how the human brain works — that can analyze large volumes of data and identify objects at the actual speed of light. Called a diffractive deep neural network, it uses the light bouncing from the object itself to identify that object in as little time as it would take for a computer to simply “see” the object. The device does not need advanced computing programs to process an image of the object and decide what the object is after its optical sensors pick it up. And no energy is consumed to run the device because it only uses diffraction of light.
A series of pixelated layers functions as an “optical network” that shapes how incoming light from the object travels through them. The network identifies an object because the light coming from the object is mostly diffracted toward a single pixel that is assigned to that type of object.
g.man wrote:That's a toast rack mate.
poprock wrote:This is mind-blowing stuff. https://www.techbriefs.com/component/content/article/tb/techbriefs/photonics-optics/33676Researchers have created a physical artificial neural network — a device modeled on how the human brain works — that can analyze large volumes of data and identify objects at the actual speed of light. Called a diffractive deep neural network, it uses the light bouncing from the object itself to identify that object in as little time as it would take for a computer to simply “see” the object. The device does not need advanced computing programs to process an image of the object and decide what the object is after its optical sensors pick it up. And no energy is consumed to run the device because it only uses diffraction of light.
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