Tag Archives: Light

First human trials test light & sound therapy for Alzheimer’s disease

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A promising new therapy for Alzheimer's involves exposure to a 40-Hz flickering light and sound tone for an hour a day

A new study published in the journal PLoS ONE has reported on the first human tests of an experimental therapy using sound and light to treat Alzheimer’s disease (AD). The initial findings are promising, with the unique treatment leading to some neurological and cognitive improvements, but the small trial size means more study is needed before anyone can say this type of therapy works.

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Eerie “ghost light” detected emanating from within the solar system

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Astronomers have detected an eerie glow of “ghost light” that could represent a previously unknown component of the solar system. Comparing data from two distinct viewpoints – Hubble and New Horizons – the researchers subtracted light from known object… Continue reading Eerie “ghost light” detected emanating from within the solar system→

Flash of light as bright as a quadrillion Suns dazzles astronomers

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Astronomers have spotted an incredibly bright flash of light beaming halfway across the universe. The strange light was estimated to throw off more light than one quadrillion Suns, and in an ironic twist came from one of the darkest objects possible.Co… Continue reading Flash of light as bright as a quadrillion Suns dazzles astronomers→

Laser satellite shatters space-to-Earth data transmission speed record

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A small satellite developed by MIT engineers has set a new record for data transmission between a satellite and Earth. The TeraByte InfraRed Delivery (TBIRD) system used a laser to beam huge amounts of data at up to 100 gigabits per second (Gbps).Conti… Continue reading Laser satellite shatters space-to-Earth data transmission speed record→

Remote controlled worms can follow stop and go lights

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Scientists in Japan have demonstrated a technique that essentially allows them to remotely control the movements of worms. By implanting light-sensitive proteins into the organisms, the team was able to make them move under green light and stop under U… Continue reading Remote controlled worms can follow stop and go lights→

Giant cosmic map charts from here to the edge of the observable universe

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Astronomers at Johns Hopkins University have created an interactive map of the universe, charting the positions and colors of 200,000 galaxies stretching from here to the very edge of the observable universe.Continue ReadingCategory: Space, ScienceTags… Continue reading Giant cosmic map charts from here to the edge of the observable universe→

LightSail 2 mission reaches fiery end after 3-year solar sailing demo

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After more than three years circling the Earth, the Planetary Society’s LightSail 2 mission has come to an end following a fiery reentry. The satellite was an important tech demo for the idea of solar sailing, which could eventually propel spacecraft t… Continue reading LightSail 2 mission reaches fiery end after 3-year solar sailing demo→

Bizarre star may have a solid surface, according to X-ray observations

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Stars are big hot balls of plasma, but astronomers have now spotted a super strange one that seems to have a solid surface. Its intense magnetic field is strong enough to overcome its blistering temperatures and “freeze” its outer layers into a solid c… Continue reading Bizarre star may have a solid surface, according to X-ray observations→

Flower-like pacemaker uses light for pain-free defibrillation

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Ordinarily, pacemakers correct irregular heartbeats by delivering an electric shock to the entire heart – which can be painful. An experimental new one takes a different approach, and it does so by encompassing the heart with light-emitting “petals.”Co… Continue reading Flower-like pacemaker uses light for pain-free defibrillation→

Thin film boosts plant growth by converting sun’s UV rays into red light

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In order to grow big and strong, plants require the red and blue light that are part of the visible “white” light produced by the sun. Scientists have now developed a plant-boosting film, that converts the sun’s UV light into more red light.Continue Re… Continue reading Thin film boosts plant growth by converting sun’s UV rays into red light→