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Sunlight

All articles tagged with #sunlight

Sunlight-Powered Quantum Entanglement Demonstrated for the First Time
science6 days ago

Sunlight-Powered Quantum Entanglement Demonstrated for the First Time

A team used a Fresnel-lens concentrator to focus sunlight onto a crystal, generating polarization-based entangled photons without a laser. The photons achieved ~94% similarity to a perfectly entangled state and violated Bell’s inequality, marking a proof-of-principle step toward cheaper, energy-efficient quantum tech for satellites and remote stations—though a practical, deployable sun-powered entangler remains to be built and improved.

via ScienceAlert|
#optics#photons#polarization
Eight time-tested habits doctors say can still boost modern health
health1 month ago

Eight time-tested habits doctors say can still boost modern health

A Fox News Health feature highlights eight once-popular daily habits—walking everywhere, getting morning sunlight, spending time outdoors, going to bed earlier, eating seasonal minimally processed foods, doing routine household tasks, sharing meals, and observing regular fasting—that experts say could counter stress, obesity and chronic disease in today’s ultraprocessed, time-crunched life by supporting circadian health, physical activity, social connection and better diet.

via Fox News|
#health#outdoors#seasonal-foods
Delivery Drama: Instacart Driver Leaves Groceries in Sun, Then Tries for a Bigger Tip
lifestyle1 month ago

Delivery Drama: Instacart Driver Leaves Groceries in Sun, Then Tries for a Bigger Tip

A video circulating on X shows an Instacart driver delivering groceries, leaving them on a porch in direct sunlight and then ringing the doorbell to ask for extra money beyond a pre-set $12 tip. It isn’t clear if the requester was granted more money, and Instacart has not issued a public statement as of publication. The Daily Dot could not independently verify the events, and the video’s details (such as location and identities) remain unconfirmed.

via Yahoo|
#delivery#groceries#instacart
Sunlight Alone Fails to Restore Vitamin D in England's High-Risk Groups
health-and-medicine2 months ago

Sunlight Alone Fails to Restore Vitamin D in England's High-Risk Groups

Newcastle University researchers analyzed about 300 people across northern Britain and found vitamin D insufficiency remains common year-round, with summer sun not significantly boosting levels in older adults or those from minoritized ethnic backgrounds, prompting calls for year-round strategies and targeted public health measures.

via ScienceDaily|
#health-and-medicine#minoritized-ethnic-groups#older-adults
Sunlight Sparks Laser-Free Quantum Ghost Imaging
science3 months ago

Sunlight Sparks Laser-Free Quantum Ghost Imaging

First demonstration of sunlight-pumped spontaneous parametric down-conversion (SPDC) paired with ghost imaging, producing quantum-correlated photons with a passive, sunlight-powered source. The setup achieved about 90.7% ghost-imaging visibility (near 95.5% with a 405 nm laser) and used a sun-tracking system and nonlinear crystal, suggesting potential for quantum imaging in remote or space environments while highlighting future gains from improved collection, crystal design, and reconstruction methods.

via SciTechDaily|
#ghost-imaging#photons#quantum
Sunlight Likely Powering Oviraptor Incubation, Taiwan Study Finds
science4 months ago

Sunlight Likely Powering Oviraptor Incubation, Taiwan Study Finds

Taiwanese researchers built a life-size oviraptor nest to test egg incubation and found that environmental heat, especially sunlight, likely played a bigger role than body warmth, implying a hybrid and less efficient incubation method than modern birds; warmer conditions reduced temperature gaps across the nest, while colder conditions caused up to 6°C differences between inner and outer eggs.

via The Daily Galaxy|
#dinosaurs#incubation#nests
7 Science-Backed Morning Habits to Boost Your Mood and Rewire Your Brain
health-and-wellness8 months ago

7 Science-Backed Morning Habits to Boost Your Mood and Rewire Your Brain

The article emphasizes that while the perfect morning routine varies for everyone, establishing a consistent set of simple habits—such as getting enough sleep, exposure to morning light, light exercise, and mindfulness practices—can significantly improve mood, productivity, and overall well-being. It advocates for adding one small change at a time to build sustainable habits and highlights the importance of listening to one's body and preferences.

via The Guardian|
#exercise#health-and-wellness#mindfulness
7 Energy Habits to Combat Winter Blues and Seasonal Depression
health-and-wellness10 months ago

7 Energy Habits to Combat Winter Blues and Seasonal Depression

To combat the winter blues and boost energy during the colder months, experts recommend engaging in regular exercise, getting natural sunlight, eating protein-rich foods, taking walks, staying socially connected, making plans, and avoiding alcohol, all of which can help improve mood and energy levels. If feelings of sadness become severe, consulting a mental health professional is advised.

via YourTango|
#energy-habits#exercise#health-and-wellness
Rethinking Sunscreen: Myths, Facts, and Skin Health
health10 months ago

Rethinking Sunscreen: Myths, Facts, and Skin Health

The anti-sunscreen movement questions the safety of chemical ingredients and their absorption into the bloodstream, but evidence still supports sunscreen use for skin cancer prevention. While sunlight has benefits like vitamin D production, overexposure increases skin cancer risk, especially for lighter skin tones. Public health guidelines suggest balancing sun exposure with protection, considering individual risk factors, and recognizing the benefits of moderate sunlight.

via Undark Magazine|
#health#public-health#skin-cancer
Rescued Kitten's First Sunlight Brings Pure Cuteness
pets1 year ago

Rescued Kitten's First Sunlight Brings Pure Cuteness

A 6-week-old rescued kitten named Luffy experiences sunlight for the first time, reacting with playful curiosity, highlighting the joy of animals discovering the world. The article also explains why cats love sunny spots, emphasizing warmth, comfort, and instinctive behavior, and shares a touching recovery story of another kitten, Peanut.

via PetHelpful|
#cats#cute#kitten