Electronics & Semiconductors

New ultrathin optical device can precisely capture and stimulate the mammalian brain

Reliably tracking and manipulating the mammalian nervous system in laboratory or clinical settings allows neuroscientists to test their hypotheses, which may in turn lead to new important discoveries. The most well-established ...

Evolution

Asteroid that wiped out the dinosaurs may have led to the invention of 'ant agriculture'

The event that wiped out the dinosaurs wasn't all bad. The low-light environment caused by the meteor impact some 66 million years ago favored the spread of fungi that feed on organic matter, which was abundant at the time ...

Large radio bubble detected in galaxy NGC 4217

An international team of astronomers has performed radio observations of a star-forming galaxy known as NGC 4217. The observational campaign detected a large radio bubble in the galaxy's halo. The finding was reported in ...

Researchers use AI to find non-opioid pain relief options

An estimated one in five Americans live with chronic pain and current treatment options leave much to be desired. Feixiong Cheng, Ph.D., Director of Cleveland Clinic's Genome Center, and IBM are using artificial intelligence ...

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Tech Xplore

Flash flooding kills three in northern Thailand

Flash flooding in popular Thai tourist hotspot Chiang Mai has killed three people, a health official said Sunday, as visitors evacuated hotels through knee-high muddy water and shops closed in the city center.

How passion drives or derails team innovation

In companies, innovative ideas often come out of teams. That's why it's so important to have team members who are excited and focused on projects that lead to innovation. However, having team members who are too passionate—especially ...

The sun unleashes its strongest flare this cycle

Yesterday the sun released a huge solar flare, and it's heading toward Earth. It's nothing to worry about since it's nowhere near as large as the Carrington Event of 1859, but it is large enough to give us some amazing aurora.

What's the best material for a lunar tower?

Physical infrastructure on the moon will be critical to any long-term human presence there as both America and China gear up for a sustained human lunar presence. Increasingly, a self-deploying tower is one of the most essential ...

Gravitational lens confirms the Hubble tension

We've known the universe is expanding for a long time. The first solid paper demonstrating cosmic expansion was published by Edwin Hubble in 1929, based on observations made by Vesto Slipher, Milton Humason, and Henrietta ...

Cave raiders: Thai archaeologists hunt ancient artwork

An antelope, a lonely figure, a family linking arms—Kanniga Premjai shines her flashlight across a cave to reveal long-hidden paintings, a stunning discovery for Thailand's scrappy team of archaeologists.

The first human settlers on islands caused extinctions

Though some believe prehistoric humans lived in harmony with nature, a new analysis of fossils shows human arrival in the Bahamas caused some birds to be lost from the islands and other species to be completely wiped out.

Could megatesla magnetic fields be realized on Earth?

Magnetic fields are used in various areas of modern physics and engineering, with practical applications ranging from doorbells to maglev trains. Since Nikola Tesla's discoveries in the 19th century, researchers have strived ...

The discovery of triplet spin superconductivity in diamonds

Diamonds have a firm foothold in our lexicon. Their many properties often serve as superlatives for quality, clarity and hardiness. Aside from the popularity of this rare material in ornamental and decorative use, these precious ...

Ancient hominins used fire to make stone tools

Human ancestors not only knew how to use fire, they also developed sophisticated technologies for making tools. Researchers at the Weizmann Institute of Science recently employed cutting-edge technologies of their own to ...

Black holes: devourers of stars reveal their secrets

A trio of scientists were awarded the Nobel Physics Prize on Tuesday for their research into black holes, some of the most mysterious objects in the universe that gobble stars like specks of dust.

Study finds organic soil captures, holds more carbon

Over the past nine years, Northeastern scientists Geoffrey Davies and Elham Ghabbour have been getting their hands dirty, analyzing soil samples from nearly every state in the country. All that sifting, sorting, labeling, ...

Transatlantic tussles: EU cases against US firms

The EU's decision to slap Amazon with a multi-million euro tax bill and take Ireland to court for not complying with a landmark case against Apple are the latest in a string of competition cases against US firms.

Image: African land cover

At 20 m resolution, this land cover classification map of Africa was created using 180 000 Copernicus Sentinel-2A images captured between December 2015 and December 2016.

Another chance to put your name on Mars

When it lands on Mars in November of 2018, NASA's InSight lander will be carrying several science instruments—along with hundreds of thousands of names from members of the public.

What is STEM education?

New research shows that K-12 teachers use eight mental models to teach science, technology, engineering and math—a more complex system than initially apparent.

Robotic bugs train insects to be helpers

Tiny mobile robots are learning to work with insects in the hope the creatures' sensitive antennae and ability to squeeze into small spaces can be put to use serving humans.

Researchers discover what is on the menu for dragonflies

Researchers from the Universities of Turku and Helsinki, Finland, have discovered the prey species of adult dragonflies and damselflies, as modern laboratory techniques enabled the study of the insects' diet. In the study, ...