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Ars Technica

“LIGO/VIRGO has opened up its notification process to the public,” explains Ars Technica reporter John Zimmer. “In short, anyone who’s interested can find out what LIGO is seeing within a day of when the LIGO scientists themselves do.”

 

Space.com

The LIGO and Virgo gravitational wave detectors have identified five new cosmic events since resuming operations last month, reports Sarah Lewin for Space.com. “The most exciting thing of the beginning of O3 [this third observation round] is that it's clear we are going from one event every few months to a few events every month," explains Prof. Salvatore Vitale.

NPR

Prof. Nergis Mavalvala speaks with NPR’s Nell Greenfieldboyce about recent upgrades made to the LIGO gravitational wave detectors, which should increase their ability to sense previously undiscovered cosmic events. "That's how discovery happens," explains Mavalvala. "You turn on a new instrument, you point it out at the sky, and you see something that you had no idea existed."

Science Friday

Prof. Nergis Mavalvala speaks with Ira Flatow of Science Friday about how she and her colleagues are working on a new technology called squeezed light, which could enable LIGO to see even more of the cosmos. Mavalvala explains that squeezed light is “a somewhat exotic quantum state of light that we engineer in our labs to improve the sensitivity of LIGO.”

New York Times

New York Times reporter Dennis Overbye writes about the years of effort that go into ensuring that large-scale, Nobel-prize winning scientific endeavors like LIGO – which is jointly operated by MIT and Caltech – are funded and successful. Overbye writes that LIGO’s success “was a saga of persistence, ingenuity and just plain bravery in the face of nature and professional skepticism.”

Gizmodo

Researchers from the LIGO and Virgo Scientific Collaborations have detected four new black hole collisions, including the largest black hole merger detected, reports Ryan Mandelbaum for Gizmodo. Researchers have begun cataloguing “black hole collisions to tell the broader story about how often these massive crashes occur and what causes them.”

BBC News

BBC News reporter Jonathan Amos writes that LIGO (operated by MIT and Caltech) and Virgo researchers have detected gravitational waves emanating from the largest black hole merger ever detected. Amos notes the discovery was announced by the collaboration as part of an “expanded catalogue” of detections that “tells us something about the probable future successes of the laser laboratories.”

Xinhuanet

Prof. Angelika Amon received this year’s Breakthrough Prize in Life Sciences for her “contributions to finding significant solutions to curing human diseases,” while Profs. Chenyang Xu, Daniel Harlow, Matt Evans and research scientist Lisa Barsotti received New Horizons Prizes for “early-career achievements in their respective fields,” reports Xinhua. 

The Boston Globe

Prof. Angelika Amon is a recipient of this year’s Breakthrough Prize “for her work on aneuploidy, irregularities in the number of chromosomes,” which could lead to a new understanding of cancer, writes Martin Finucane for The Boston Globe. Prof. Chenyang Xu, Prof. Matt Evans and research scientist Lisa Barsotti received New Horizons Prizes in physics, while Prof. Daniel Harlow received one in math.  

Space.com

A new study co-authored by Assistant Prof. Salvatore Vitale shows that the collision of a black hole and neutron star could provide insight into how quickly the universe is expanding. One such merger could allow physicists to calculate the expansion rate “as effectively as combining data from 50 different neutron-star collisions,” reports Meghan Bartels for Space.com.

The Boston Globe

A new paper by Assistant Prof. Salvatore Vitale finds that studying the rare pairing of a neutron star and a spiraling black hole could allow researchers to determine the universe’s rate of expansion, writes Jeremy Fox of The Boston Globe. The positive detection of a collision could “potentially give a dramatic contribution to our understanding of the universe,” says Vitale.

Fox News

An international research team led by postdoctoral fellow Carl Rodriguez has found that within a group of star clusters, black hole collisions can actually create larger black holes, writes Nola Taylor Redd for Fox News. A simulation showed that these black holes “should grow to be more than 50 times as massive as Earth's sun if they collide with other black holes.”

Nature

Davide Castelvecchi of Nature explores the “ambitious scientific quarry” that gravitational-wave scientists are after, including what happened in the first few moments after the Big Bang. Castelvecchi, who speaks with MIT physicist Rainer Weiss for this piece, notes that the field has already “delivered discoveries at a staggering rate, outpacing even the rosiest expectations.”

NPR

Research Scientist Allan Adams discusses what gravitational waves reveal about the universe with Guy Raz of NPR’s TED Radio Hour. Adams explains that the detection of gravitational waves is important because they “allow us to see back in time and even unlock some of the mysteries of the origins of our universe.”

Physics Today

In an article for Physics Today, Prof. Anna Frebel details the formation of the heaviest elements. While scientists previously thought that supernova explosions were responsible for the creation of elements heavier than iron, Frebel notes that evidence from LIGO and from a faint galaxy known as Reticulum II suggest, “neutron-star mergers are the universe’s way to make elements such as gold and platinum.”