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Phys.org / Decades of research bring quantum dots to brink of widespread use

A new article in Science magazine gives an overview of almost three decades of research into colloidal quantum dots, assesses the technological progress for these nanometer-sized specs of semiconductor matter, and weighs ...

4 hours ago in Physics
Phys.org / This quantum crystal could be a new dark matter sensor

Physicists at the National Institute of Standards and Technology (NIST) have linked together, or "entangled," the mechanical motion and electronic properties of a tiny blue crystal, giving it a quantum edge in measuring electric ...

6 hours ago in Physics
Phys.org / Leaping squirrels! Parkour is one of their many feats of agility

Videos of squirrels leaping from bendy branches across impossibly large gaps, parkouring off walls, scrambling to recover from tricky landings.

6 hours ago in Biology
Tech Xplore / A theoretical approach for designing a self-organizing human-swarm system

Swarm robotics is a relatively new and highly promising research field, which entails the development of multi-robot teams that can move and complete tasks together. Robot swarms could have numerous valuable applications. ...

11 hours ago in Robotics
Phys.org / Corn's genetic diversity on display in new genome study

The newly assembled genomes of 26 different genetic lines of corn illustrate the crop's rich genetic diversity and could pave the way for a better understanding of what genetic mechanisms account for crop traits prized by ...

6 hours ago in Biology
Phys.org / V404 Cygni: Huge rings around a black hole

This image features a spectacular set of rings around a black hole, captured using NASA's Chandra X-ray Observatory and Neil Gehrels Swift Observatory. The X-ray images of the giant rings reveal information about dust located ...

4 hours ago in Astronomy & Space
Phys.org / Massive ancient lake across prairies emptied quickly enough to set off an ice age, study suggests

A flood of epic proportions drained at a rate of more than 800 Olympic swimming pools per second from a glacial lake that spanned the Prairie provinces more than 12,000 years ago, according to a University of Alberta-led ...

4 hours ago in Earth
Phys.org / Using two CRISPR enzymes, a COVID diagnostic in only 20 minutes

Frequent, rapid testing for COVID-19 is critical to controlling the spread of outbreaks, especially as new, more transmissible variants emerge.

8 hours ago in Chemistry
Phys.org / Survey suggests climate change has reduced the presence of invasive Argentine ants

In 1993, Stanford University biology professor Deborah Gordon and her first graduate student, Katy Human, began a survey of ants at Stanford's Jasper Ridge Biological Preserve. Nearly 30 years, four more graduate students ...

4 hours ago in Biology
Tech Xplore / Team develops technique for printing circuits on irregular surfaces with pulses of light

Printable electronics could cause a proliferation of smart, connected devices, from household appliances that can communicate with each other to medical diagnostic sensors that can be placed on the body to forgo invasive ...

4 hours ago in Energy & Green Tech
Medical Xpress / Certain social, environmental factors found to increase a community's COVID-19 risk

The combination of threats from COVID-19 and extreme heat in many socially vulnerable communities across the United States is a real concern for public health officials, highlighting the need to better understand how compounding ...

Phys.org / Scientists mail freeze-dried mouse sperm on a postcard

Scientists no longer have to worry about their bottles of mouse sperm breaking in transit. Researchers in Japan have developed a way to freeze dry sperm on a plastic sheet in weighing paper so that samples can withstand being ...

9 hours ago in Biology