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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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FEB 10, 2020Space & Astronomy
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One student in a suburban Seattle dog agility class is drawing a lot of attention, and not just for her athletic skills. ...Written By: Brenda Kelley KimMAR 16, 2015Videos
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FEB 10, 2020
Space & Astronomy
When a large chemical rocket’s engines ignite, they produce thousands, if not millions, of pounds of thrust. This
...
Written By:
Anthony Bouchard
JAN 09, 2020
Chemistry & Physics
When we talk about about particle accelerators, the idea of enormous machines with the size of a warehouse and
...
Written By:
Daniel Duan
DEC 29, 2019
Plants & Animals
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 int
...
Written By:
Anthony Bouchard
DEC 19, 2019
Microbiology
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
NASA’s InSight mission touched down on the Martian surface just under a year ago and has since deployed a suite of
...
Written By:
Anthony Bouchard
SEP 20, 2019
Genetics & Genomics
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
One of the world’s most distinguishable long-necked animals, the giraffe, appears to be headed for a troubling fut
...
Written By:
Anthony Bouchard
MAY 22, 2019
Earth & The Environment
A new study published in Nature Sustainability on May 20 offers a perhaps surprising solution for climate change: changi
...
Written By:
Kathryn DeMuth Sullivan
MAY 16, 2019
Chemistry & Physics
The history of science is marked by the milestone of brilliant breakthroughs and disappointing setbacks. However, moment
...
Written By:
Daniel Duan
JUN 01, 2018
Chemistry & Physics
A group of physicists and computing scientists from Australia and Switzerland has come with a theoretical model for buil
...
Written By:
Daniel Duan
JAN 04, 2018
Chemistry & Physics
Quantum mechanics is the fundamental framework established by physicists to describe the happening in the microscopic, s
...
Written By:
Daniel Duan
NOV 03, 2017
Chemistry & Physics
According to a study published in the journal Nature, large space was discovered within the Great Pyramid in Egypt, the
...
Written By:
Daniel Duan
JUL 09, 2017
Videos
There are all kinds of cheeses in the world; some are softer and other are harder, and some are whiter while others are
...
Written By:
Anthony Bouchard
JUN 06, 2017
Videos
Ever heard of the word "qanat"? A qanat is an underground channel used to transport water to the surface for irrigation
...
Written By:
Kathryn DeMuth Sullivan
MAY 19, 2017
Chemistry & Physics
Without the smell of burning rubber, the loud roars of engines, or the taste of exhaust, yet one can still feel the rush
...
Written By:
Daniel Duan
JAN 30, 2017
Cell & Molecular Biology
The blueprint for our bodies is contained in our genes, but scientists have long wondered how our environment can in tur
...
Written By:
Carmen Leitch
AUG 31, 2016
Videos
It sounds like an urban myth - figs contain the bodies of dead wasps. But in this case, the story is completely true. Fi
...
MAY 31, 2016
Videos
In China, traffic has reached epic proportions. All of those cars not only clog the streets, but contribute to the poor
...
Written By:
Brenda Kelley Kim
APR 19, 2016
Technology
NASA has long expressed interest in its development of futuristic X Planes, which would be better for the environment, a
...
Written By:
Anthony Bouchard
MAR 30, 2015
Plants & Animals
One student in a suburban Seattle dog agility class is drawing a lot of attention, and not just for her athletic skills.
...
Written By:
Brenda Kelley Kim
MAR 16, 2015
Videos
This is a video of ants digging tunnels taken at 900x life speed. In actuality, what is seen in this 5 minutes would tak
...
Written By:
Robert Woodard
JUL 22, 2014
Plants & Animals
In October 2006, reports came in from beekeepers that some of them were losing 30% to 90% of their hives. While some los
...
Written By:
Peter Micheli