History of nuclear physics Video
History of Nuclear PhysicsHistory of nuclear physics - consider, that
Scientists have extracted Neanderthal nuclear DNA from cave sediments for the first time, greatly improving the scope of ancient DNA research to include whole populations. Ancient DNA preserved in bones and teeth has previously revealed insights into ancient humans like Neanderthals and Denisovans. But since skeletal remains are exceedingly rare, archaeologists have turned to extracting DNA from cave sediments. DNA exists in two places in the cell: the nucleus and the mitochondrion. The nuclear or chromosomal DNA exists as a set of chromosomes inherited from both parents and is about three million base pairs units of DNA long. This DNA codes for all of the proteins in the body. The mitochondrial DNA, on the other hand, exists as small, circular pieces of DNA around 16, base pairs long, and holds information about what proteins to make specifically for the mitochondria to create energy. Unlike nuclear DNA, mitochondrial DNA is only inherited from the mother, which somewhat limits the amount of information that can be gleaned from it. Previously, this was the only type of Neanderthal DNA that could be collected from sediment, because there is a greater volume of it, making it is easier to find and isolate. history of nuclear physics
Whether you know it or not, nuclear-based technologies are pervasive in our daily lives. Despite the field's politicized history, nuclear physics is a great thing—and its non-weaponized applications extend harmlessly and helpfully beyond the walls of a laboratory.
In this commentary, I give an overview of a subfield in nuclear physics that investigates the role of nuclear spin within the nuclear medium. I then branch into a discussion of some of my research on history of nuclear physics that I have done in the University of New Hampshire's Polarized Target Group and relate my work's application to medical technologies external to UNH. From there, I explore other applications of nuclear physics in hopes of motivating future generations of researchers or sparking interest in a field that is easily misconceived. Skip to main content. Read full article ».]
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