(Phys.org)—For the first time, researchers have demonstrated that shining a nanosecond pulsed laser at the base of a 100-µm-long diamond needle can significantly enhance electron emission from the tip of the needle. The ...
Nature is full of repeating patterns that are part of the beauty of our world. An international team, including a researcher from the University of Washington, used modern tools to explain repeating patterns of stones that ...
Earth Sciences
Oct 6, 2021
0
96
Inventors of centuries past and scientists of today have found ingenious ways to make our lives better with magnets—from the magnetic needle on a compass to magnetic data storage devices and even MRI (magnetic resonance ...
General Physics
Jul 18, 2019
0
804
Diamond is well-known as the strongest of all natural materials, and with that strength comes another tightly linked property: brittleness. But now, an international team of researchers from MIT, Hong Kong, Singapore, and ...
Condensed Matter
Apr 19, 2018
0
375
(Phys.org)—For people whose blood does not clot appropriately, such as those with hemophilia, diabetes, or cancer, getting an injection or blood draw with a hypodermic needle is not a trivial matter. Because the needle ...
When a salmonella bacterium attacks a cell, it uses a nanoscopic needle to inject it with proteins to aid the infection. If the needle is too short, the cell won't be infected. Too long, and the needle breaks. Now, University ...
Cell & Microbiology
Mar 16, 2015
18
646
Israeli scientist Dan Shechtman was awarded the Nobel Prize in chemistry on Wednesday for a discovery that faced skepticism and mockery, even prompting his expulsion from his U.S. research team, before it won widespread acceptance ...
Materials Science
Oct 5, 2011
7
0
A team of researchers led by an archaeologist at the University of Sydney are the first to suggest that eyed needles were a new technological innovation used to adorn clothing for social and cultural purposes, marking the ...
Archaeology
Jun 28, 2024
5
692
Ever wondered how deadly snakes evolved their fangs? The answer lies in particular microscopic features of their teeth, research led by Flinders University and the South Australian Museum suggests.
Evolution
Aug 10, 2021
1
236
The feeling of a needle piercing skin is familiar to most people, especially recently as COVID-19 vaccinations gain momentum. But what exactly happens when a needle punctures skin? The answer is revealed in a new paper published ...
General Physics
Jul 26, 2021
3
285
