Tunneling
Tunneling, also called barrier penetration, in physics, passage of minute particles through seemingly impassable force barriers. The phenomenon first drew attention in the case of alpha decay, in which alpha particles (nuclei of helium atoms) escape from certain radioactive atomic nuclei. Because nuclear constituents are held together by a force that the alpha particles have insufficient energy to overcome, their tunneling is contrary to the conventional understanding of classical physics and requires instead explanation in terms of quantum mechanics.
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MAR 25, 2020Chemistry & Physics
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MAR 25, 2020
Chemistry & Physics
MAR 25, 2020
We knew it existed; we just never saw it before. No, I’m not talking about the Easter Bunny, rather the quantum phenomenon known as a Kondo screening...
WRITTEN BY:
Kathryn DeMuth Sullivan
MAR 16, 2020
Clinical & Molecular DX
MAR 16, 2020
New and reemerging microbial threats continue to challenge the public health and infectious disease response teams worldwide. An estimated 14 million peopl...
WRITTEN BY:
Tara Fernandez
FEB 10, 2020
Space & Astronomy
FEB 10, 2020
When a large chemical rocket’s engines ignite, they produce thousands, if not millions, of pounds of thrust. This much power is necessary to loft the...
WRITTEN BY:
Anthony Bouchard
JAN 09, 2020
Chemistry & Physics
JAN 09, 2020
When we talk about about particle accelerators, the idea of enormous machines with the size of a warehouse and located inside underground tunnels...
WRITTEN BY:
Daniel Duan
DEC 29, 2019
Plants & Animals
DEC 29, 2019
At first glance, an anthill looks like a small pile of sand on the Earth with a tiny hole in the top that ants crawl into to evade danger, but they’r...
WRITTEN BY:
Anthony Bouchard
DEC 19, 2019
Microbiology
DEC 19, 2019
This is the first time that investigators have gotten a complete, ancient human genome from anything but bones....
WRITTEN BY:
Carmen Leitch
OCT 20, 2019
Space & Astronomy
OCT 20, 2019
NASA’s InSight mission touched down on the Martian surface just under a year ago and has since deployed a suite of scientific instruments to investig...
WRITTEN BY:
Anthony Bouchard
SEP 20, 2019
Genetics & Genomics
SEP 20, 2019
A one-year clinical trial of a new gene therapy has produced surprisingly good results for several patients....
WRITTEN BY:
Carmen Leitch
AUG 25, 2019
Plants & Animals
AUG 25, 2019
One of the world’s most distinguishable long-necked animals, the giraffe, appears to be headed for a troubling future in the eyes of animal conservat...
WRITTEN BY:
Anthony Bouchard
MAY 22, 2019
Earth & The Environment
MAY 22, 2019
A new study published in Nature Sustainability on May 20 offers a perhaps surprising solution for climate change: changing methane into carbon dioxide. But...
WRITTEN BY:
Kathryn DeMuth Sullivan
MAY 16, 2019
Chemistry & Physics
MAY 16, 2019
The history of science is marked by the milestone of brilliant breakthroughs and disappointing setbacks. However, moments of oddness were also a part of th...
WRITTEN BY:
Daniel Duan
JUN 01, 2018
Chemistry & Physics
JUN 01, 2018
A group of physicists and computing scientists from Australia and Switzerland has come with a theoretical model for building a quantum computing device tha...
WRITTEN BY:
Daniel Duan
JAN 04, 2018
Chemistry & Physics
JAN 04, 2018
Quantum mechanics is the fundamental framework established by physicists to describe the happening in the microscopic, subatomic world. In chemistry, chemi...
WRITTEN BY:
Daniel Duan
NOV 03, 2017
Chemistry & Physics
NOV 03, 2017
According to a study published in the journal Nature, large space was discovered within the Great Pyramid in Egypt, the first major one since the 19th cent...
WRITTEN BY:
Daniel Duan
JUL 09, 2017
Videos
JUL 09, 2017
There are all kinds of cheeses in the world; some are softer and other are harder, and some are whiter while others are more yellow. On the other hand, one...
WRITTEN BY:
Anthony Bouchard
JUN 06, 2017
Videos
JUN 06, 2017
Ever heard of the word "qanat"? A qanat is an underground channel used to transport water to the surface for irrigation and drinking. The word comes from t...
WRITTEN BY:
Kathryn DeMuth Sullivan
MAY 19, 2017
Chemistry & Physics
MAY 19, 2017
Without the smell of burning rubber, the loud roars of engines, or the taste of exhaust, yet one can still feel the rush of adrenaline running through thei...
WRITTEN BY:
Daniel Duan
JAN 30, 2017
Cell & Molecular Biology
JAN 30, 2017
The blueprint for our bodies is contained in our genes, but scientists have long wondered how our environment can in turn exert an effect on our genes. It...
WRITTEN BY:
Carmen Leitch
AUG 31, 2016
Videos
AUG 31, 2016
It sounds like an urban myth - figs contain the bodies of dead wasps. But in this case, the story is completely true. Figs and wasps have a strange, mutual...
WRITTEN BY:
Xuan Pham
MAY 31, 2016
Videos
MAY 31, 2016
In China, traffic has reached epic proportions. All of those cars not only clog the streets, but contribute to the poor air quality. Emissions from such a ...
WRITTEN BY:
Brenda Kelley Kim
APR 19, 2016
Technology
APR 19, 2016
NASA has long expressed interest in its development of futuristic X Planes, which would be better for the environment, as well as better for humanity for a...
WRITTEN BY:
Anthony Bouchard
MAR 30, 2015
Plants & Animals
MAR 30, 2015
One student in a suburban Seattle dog agility class is drawing a lot of attention, and not just for her athletic skills. Amy is a pig.
Amid the ...
Amid the ...
WRITTEN BY:
Brenda Kelley Kim
MAR 16, 2015
Videos
MAR 16, 2015
This is a video of ants digging tunnels taken at 900x life speed. In actuality, what is seen in this 5 minutes would take the ants about three days of digg...
WRITTEN BY:
Robert Woodard
JUL 22, 2014
Plants & Animals
JUL 22, 2014
In October 2006, reports came in from beekeepers that some of them were losing 30% to 90% of their hives. While some losses are expected, these figures wer...
WRITTEN BY:
Peter Micheli
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