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New FDA-approved eye drops could replace reading glasses for millions: "It's definitely a life changer"


A newly approved eye drop hitting the market on Thursday could change the lives of millions of Americans with age-related blurred near vision, a condition affecting mostly people 40 and older.

Vuity, which was approved by the Food and Drug Administration in October, would potentially replace reading glasses for some of the 128 million Americans who have trouble seeing close-up. The new medicine takes effect in about 15 minutes, with one drop on each eye providing sharper vision for six to 10 hours, according to the company.
 

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How to Remove Rust Stains With Stuff That's Already in Your Home


Rust may form on certain types of metal, but it can damage more than that. Its distinctive, deep reddish-brown color easily transfers to other materials, resulting in stains. Unfortunately, getting rust stains out of clothing, carpet, and off of surfaces like porcelain and ceramic requires some effort. Fortunately, you (probably) already have what you need for the task at home.
 

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Corn-based biodegradable film shown to help fresh foods last longer


It's ironic that even though many people are starving, a great deal of food gets discarded because it spoils before it can be eaten. A new natural-source packaging material could help, by making foods last longer - plus it's biodegradable.

Developed by scientists at Harvard University and Singapore's Nanyang Technological University (NTU), the material takes the form of a transparent film.
 

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biped wearable applies autonomous car tech to guiding the blind


Designed by a Swiss startup of the same name, biped takes the form of a harness which is worn over the shoulders, and that is wirelessly paired to a third-party set of headphones (it's also compatible with wired models). The company strongly advises using bone conduction headphones, which leave the ears open so users can still hear the sounds of the environment.

A set of 3D infrared cameras on the front of the device capture a 170-degree view of the street in front of the wearer. AI-based software running on an integrated microprocessor identifies 10 different types of both stationary and moving objects in the video feed.
 

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Piezoelectric material shown to help regrow knee-joint cartilage


By stimulating cells to reproduce, electricity has already been shown to help heal soft tissue injuries. Now, an electricity-producing implantable material likewise appears to boost the regrowth of cartilage in compromised joints.

In a study conducted at the University of Connecticut, a team led by Asst. Prof. Thanh Nguyen and postdoctoral fellow Yang Liu explored the use of a "tissue scaffold" made out of nanofibers of a biodegradable polymer known as poly-L lactic acid (PLLA). It had previously been used to accelerate the healing of broken bones.
 

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Kombucha cultures make excellent sustainable water filters, study finds


The refreshing kombucha tea that's all the rage these days among certain global demographics might also hold the key to affordable, environmentally sustainable living membranes for water filtration, according to a recent paper published in the American Chemical Society journal ACS ES&T Water. Experiments by researchers at Montana Technological University (MTU) and Arizona State University (ASU) showed that membranes grown from kombucha cultures were better at preventing the formation of biofilms-a significant challenge in water filtration-than current commercial membranes.
 

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Novel "artificial leaf" design ups the carbon capture rate by 100x


Recreating the process of natural photosynthesis in which plants turn sunlight, water and carbon dioxide into energy is a long-pursued goal in science. Often described as an "artificial leaf," these systems could play a key role in the fight against climate change, and a team of engineers has just picked up the pace with a solution that captures carbon dioxide at 100 times the rate of current technologies.
 

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A roadway will charge your EV while you're driving


The nation's first stretch of road to wirelessly charge electric vehicles while they're in motion will begin testing next year in Detroit.

Why it matters: "Electrified" roadways, which have wireless charging infrastructure under the asphalt, could keep EVs operating around the clock, with unlimited range - a big deal for transit buses, delivery vans, long-haul trucks and even future robotaxis.
 

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Tuneable smart window coating traps heat in winter, reflects it in summer


Windows may be important for letting natural light and warmth into a room, but sometimes they let in too much, or let your artificial warmth out instead. Researchers at Oxford have developed a new smart window coating that can be tuned on the fly to emit or reflect heat from the Sun in different amounts, reducing the energy costs of heating and cooling by up to a third.
 

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The US will finally allow adaptive beam headlights on new cars


The National Highway Traffic Safety Administration is finally poised to legalize adaptive beam headlights in the US. On Tuesday, the NHTSA announced that it has issued a final rule that will update the Federal Motor Vehicle Safety Standards, which currently only allow for "dumb" high- and low-beam lights.

Adaptive beam lights use a matrix of projectors, some of which can be turned off to shape the beam so the lights illuminate the road but don't shine at an oncoming driver. (These are an advancement over the auto-high beam technology that you may have fitted to your current car.) The technology has been around for nearly two decades in Europe and Japan.
 

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