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Astronomy Apr 2, 2024

Surprising facts and beliefs about eclipses from the medieval and Renaissance eras

In medieval and Renaissance society and culture, celestial events were not mere spectacles in the sky. Rather, they were omens, predictors of the future, and windows into the workings of the universe.

Astronomy Apr 2, 2024

Citizen scientists invited to collect data for NASA during eclipse

On April 8, 2024, as the moon passes between the sun and Earth, thousands of amateur citizen scientists will measure air temperatures and snap pictures of clouds. The data they collect will aid researchers who are investigating ...

Ecology Apr 2, 2024

Myrtle rust is lethal to Australian plants. Could citizen scientists help track its spread?

Every weekend, thousands of citizen scientists head into the great outdoors. If they see an unusual animal, plant or fungi, they take a photo and upload it.

Astronomy Apr 2, 2024

Looking to photograph a solar eclipse with your smartphone? Try these features and think about creative angles

As the moon casts its shadow across the Earth during the upcoming solar eclipse, cameras of all kinds will turn skyward. While professional photographers with specialized equipment will aim to capture the perfect shot, others ...

Optics & Photonics Apr 2, 2024

Researchers use smartphone screen to create 3D layered holographic images

Researchers have developed a 3D full-color display method that uses a smartphone screen rather than a laser to create holographic images. With further development, the new approach could be useful for augmented or virtual ...

Education Apr 1, 2024

How to safely watch a solar eclipse with children

The next solar eclipse will be visible across North America on April 8. Solar eclipses occur when the moon passes between the sun and the Earth, blocking sunlight and casting a shadow on our planet. There will be a 115-mile-wide ...

Analytical Chemistry Apr 1, 2024

Using a cellphone compass to measure tiny concentrations of compounds important for human health

Nearly every modern cellphone has a built-in compass, or magnetometer, that detects the direction of Earth's magnetic field, providing critical information for navigation. Now a team of researchers at the National Institute ...

Biochemistry Mar 28, 2024

Blood, sweat, and water: New paper analytical devices easily track health and environment

When you need to measure white blood cell counts, it usually involves trips to clinics and expensive equipment for analysis. Likewise, checking water quality for contaminants can be a lengthy process.

Ecology Mar 27, 2024

Crowdsourced data provides accurate biodiversity picture to aid conservation efforts

Data collected by people recording wildlife on their smartphones could improve biodiversity monitoring and help to prevent global nature loss, according to a new study.

Economics & Business Mar 27, 2024

Researchers discover how charities can boost likelihood of donations via smartphone users

Whether you're passionate about rescuing puppies, feeding hungry people, or helping victims of a natural disaster, you're considerably less likely to respond to a charity's appeal for help if you receive it on your smartphone.

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