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NOBS Toothpaste Tablets: What Dentists Say About Its Main Ingredient

cnet.com See Full Bio 2025-07-20 05:27:03

The NOBS (No Bad Stuff) toothpaste tablets are going viral thanks to their main ingredient of nano-hydroxyapatite, a fluoride-free alternative. As health concerns around fluoride and its presence in public drinking water continue to swirl, nano-hydroxyapatite toothpastes are becoming increasingly popular. You've likely seen them on store shelves or in ads from companies like Boka and Davids, marketed as fluoride-free alternatives for your toothbrush that claim to whiten teeth, repair enamel and

Topics: fluoride hydroxyapatite nano teeth toothpaste
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I love anti-reflective displays, but an iPhone one is no big deal

9to5mac.com Ben Lovejoy 2025-07-24 02:06:01

A report yesterday suggested that the two iPhone 17 Pro models could get an anti-reflective display, after Apple’s suppliers managed to overcome production difficulties. I do love anti-reflective displays, and still have very fond memories of my all-time favorite Apple one from way back in 2004, but an iPhone one would have only moderate appeal to me … There was a time when all screens were matte. Then along came glossy screens, Apple and the rest of the tech industry fell in love with them, a

Topics: apple display nano pro texture
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Is Nano-Hydroxyapatite Toothpaste an Effective Fluoride Alternative? Dentists Weigh In

cnet.com See Full Bio 2025-07-29 11:06:03

Picking the best toothpaste can be a challenge, especially with newer ingredients being added to the market. Nano-hydroxyapatite is a timely example and the star ingredient for popular brands like Boka and Davids. Amidst health concerns around fluoride and Robert F. Kennedy Jr., US Secretary of Health and Human Services, proposing to remove it from public water, nano-hydroxyapatite has been promoted as an effective alternative to fluoride in toothpaste. Many claim that it can repair enamel, prev

Topics: fluoride hydroxyapatite nano teeth toothpaste
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Show HN: Integrated System for Enhancing VIC Output

news.ycombinator.com Unknown 2025-08-11 09:44:28

ISEVIC - Integrated System for Enhancing VIC Output ISEVIC is an FPGA core for enabling digital video via HDMI on the C-64. It works by watching the bus on the cartridge port. It then translates those signals into a picture for display. It can run on multiple FPGA platforms including the Tang Nano 20K described here. Watch the first "teaser" video here: And then a more in-depth introductory video: Getting Started You'll need a Tang Nano 20K board with headers like this flashed with the prov

Topics: 20k 64 device nano tang
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Simulations reveal the secret to strengthening carbon fiber

news.ycombinator.com Oak Ridge National Laboratory Is Managed Ut-Battelle Llc For The Us Department Of Energy 2025-08-17 01:08:24

ORNL researchers found a way to double the tensile strength of carbon-fiber composites by reinforcing the material with a thin layer of PAN nanofibers. A human hair is approximately 100 times wider than one of these fibers. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy Stronger than steel and lighter than aluminum, carbon fiber is a staple in aerospace and high-performance vehicles — and now, scientists at the Department of Energy’s Oak Ridge National Laboratory have found a way to make it ev

Topics: carbon composites fiber nanofibers ornl
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Glass nanostructures reflect nearly all visible light, challenging assumptions

news.ycombinator.com Singapore University Of Technology 2025-08-20 09:23:48

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Nanoscale 3D printing of glass. Credit: Science Advances (2025). DOI: 10.1126/sciadv.adv0267 A research team led by SUTD has created nanoscale glass structures with near-perfect reflectance, overturning long-held assumptions about what low-index materials can do in photonics. For decades, glass has been a reliable

Topics: glass light nanoscale photonic reflectance
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Cancer-targeting nanoparticles are moving closer to human trials

technologyreview.com Anne Trafton 2025-08-30 18:00:00

In the original production technique, layers with different properties can be laid down by alternately exposing a particle to positively and negatively charged polymers, with extensive purification to remove excess polymer after each application. Each layer can carry therapeutics as well as molecules that help the particles find and enter cancer cells. But the process is time-consuming and would be difficult to scale up. In the new work, the researchers used a microfluidic mixing device that al

Topics: cancer layer nanoparticles researchers technique
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Nanonets-OCR-s – OCR model that transforms documents into structured markdown

news.ycombinator.com Unknown 2025-09-14 16:14:56

Nanonets-OCR-s is a powerful, state-of-the-art image-to-markdown OCR model that goes far beyond traditional text extraction. It transforms documents into structured markdown with intelligent content recognition and semantic tagging, making it ideal for downstream processing by Large Language Models (LLMs). Nanonets-OCR-s is packed with features designed to handle complex documents with ease: LaTeX Equation Recognition: Automatically converts mathematical equations and formulas into properly fo

Topics: image img model nanonets text
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Nanonets-OCR-s – OCR model transforms documents into structured markdown

news.ycombinator.com Unknown 2025-09-15 07:14:56

Nanonets-OCR-s is a powerful, state-of-the-art image-to-markdown OCR model that goes far beyond traditional text extraction. It transforms documents into structured markdown with intelligent content recognition and semantic tagging, making it ideal for downstream processing by Large Language Models (LLMs). Nanonets-OCR-s is packed with features designed to handle complex documents with ease: LaTeX Equation Recognition: Automatically converts mathematical equations and formulas into properly fo

Topics: image img model nanonets text
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