The gas that makes balloons float is also vital to scientific experiments. In these experiments, natural helium (He) is purified, but it contains a tiny bit of a slightly different form of helium, known as the isotope 3He. ...
General Physics
Dec 15, 2016
0
6
An international team of scientists has found evidence of a series of massive supernova explosions near our solar system, which showered the Earth with radioactive debris.
Astronomy
Apr 6, 2016
15
1632
Researchers from Istituto Nazionale di Ottica (INO), within Consiglio Nazionale delle Ricerche (CNR), Italy have demonstrated a new compact spectroscopic instrument that offers a highly sensitive optical method for detecting ...
Optics & Photonics
Apr 6, 2016
0
96
A 9,000 year-old case of human decapitation has been found in the rock shelter of Lapa do Santo in Brazil, according to a study published September 23, 2015 in the open-access journal PLOS ONE by André Strauss from the Max ...
Archaeology
Sep 23, 2015
0
219
ANSTO researchers using accelerator mass spectrometry (AMS) capabilities have assisted Russian palaeobiologists in dating rare fossils from an extinct cave lion that had been preserved in permafrost.
Archaeology
Aug 27, 2015
0
12
(Phys.org)—A team of physicists affiliated with institutions in Australia, Switzerland and Austria has made the most accurate measurement to date of the half life of iron-60. In their paper published in the journal Physical ...
When Lawrence Livermore National Laboratory researchers invented the field of biological accelerator mass spectrometry (AMS) in the late 1980s, the process of preparing the samples was time-consuming and cumbersome.
Analytical Chemistry
Oct 15, 2014
0
0
An interdisciplinary team has used a new technique known as plasma oxidation to produce radio carbon dates for paint fragments as small as 10 micrograms in width.
Archaeology
Apr 23, 2014
0
0
Dr Toshi Fujioka and Dr David Fink from the Institute of Environmental Research ICCAS project, together with Dr Hendrick May, an ARC DECRA Fellow from University of Wollongong, carried out fieldwork in Kakadu and Litchfield ...
Earth Sciences
Apr 4, 2014
0
0
Choosing the right physical technique to analyse paintings can make all the difference when it comes to ascertaining their authenticity. Now, a painting initially attributed as belonging to a series called 'Contraste de formes' ...
Other
Feb 25, 2014
0
0
