Down but not out: the white dwarf survivors of low-luminosity thermonuclear supernovae
We now know that there are a large variety of thermonuclear supernovae (SNe) with white-dwarf (WD) progenitors, of which Type Ia supernovae (SNe Ia) are the most common class. Roughly 10–30% of WD transients are relatively fast, low-luminosity, and low-energy events that likely have different progenitors from SNe Ia. While SNe Ia should fully disrupt their progenitor WD, lower-energy explosions may not unbind the WD, leaving behind a battered and bruised star that should have distinct observational properties. Given the rate of peculiar transients, there should be ∼10⁶ such stars in the Milky Way. Such an odd WD was recently discovered, further indicating that the Milky Way holds unique opportunities to understand peculiar transients. There should be one of these stars at the center of peculiar thermonuclear transient remnants. We propose to observe the central stars of potential WD SN remnants to search for these stars.
Authorea || Edison Menlo Park Lab
Thomas Edison has an impressive 2,332 worldwide patents. Some of his well-known inventions include the phonograph, motion pictures, and the magnetic iron ore separator. After the success of his first major invention, the quadruplex telegraph, Edison wanted to build his own laboratory so that he could continue to innovate. In 1875, he purchased around 34 acres in Raritan Township, NJ and built the "Invention Factory". By Spring 1876, the Invention Factory consisted of a main laboratory, ancillary buildings, a carpenters’ shop, carbon shed, and blacksmith shop. His first breakthrough at the Invention Factory, the phonograph, produced the first voice recording (“Mary Had a Little Lamb”) and earned Edison the title, “The Wizard of Menlo Park”.
Authorea || Bubble Nebula
The Hubble image of the Bubble Nebula (NGC 7635) is the official image celebrating the 26th anniversary of Hubble's launch into Earth orbit's. Since 1990 Hubble has been capturing awe-inspiring images of the Universe. Floating about 350 miles above the Earth, the Hubble Space Telescope (HST) is able to take high-resolution images free of the image-distortion that occurs due to atmospheric turbulence. Hubble performs a full orbit around the Earth approximately every 95 minutes, and since its launch has completed 1.2 million observations
. Among its many accomplishments, HST helped scientists determine the rate of expansion of the Universe.
Reinventing Peer Review
Peer review is arguably necessary for effective communication amongst researchers. Authors, editors, and the public rely on peer review to ensure a first measure of trust in scientific communication. While peer review is considered to be integral in scholarly communication by most, its shortcomings are becoming evident. Former editor of JAMA and NEJM Drummond Rennie once said, "if peer review was a drug it would never be allowed onto the market." Is this true? Does peer review, as it is done today, cause more harm than good?
6 Publisher Policies Antithetical to Research
How researchers communicate with one another and the world has changed very little over the last 350 years. Attempts to improve the process have been implemented throughout the years, not all of which have been to the benefit of research. Here we highlight some policies implemented by various publishers that we believe are antithetical to research communication and what we're doing to try to fix them.
How to Bring Science Publishing into the 21st Century
A NEW COLLABORATIVE TOOL COULD REVOLUTIONIZE SCIENTIFIC AUTHORSHIP. Originally published by Scientific American
The Night of the Shooting Stars
During the night of August 11th, a meteor shower called ’Perseids’ might put up a memorable show. After the moon sets, which occurs around 1:00 AM local time, it might be possible to see up to 200 ’shooting stars’ per hour. Below, what you need to know about this astronomical event.
What is a shooting star?
Despite their name, shooting stars are actually small rocks (meteoroids) falling towards the Earth due to our planet’s gravitational attraction. As they move rapidly through the atmosphere, they reach very high temperatures due to friction with air particles. This makes them burn and become visible to the human eye. The trail they leave is called ’Meteor’. Due to their tiny size, they usually almost completely burn in a fraction of a second. In some very exceptional cases, large meteors can continue the hot descent and hit the ground. If they also survive the crash, they get promoted immediately to the ’meteorites’ class. Generally speaking a meteoroid producing a meteor needs to be at least as large as a marble to reach the Earth and eventually become a meteorite. Some Burning facts:
Average meteorite velocity: 30000 miles/hour (48000 km/h)
Max temperature: 3000 F (1650 C)
The Meteor Crater in Arizona was formed 50000 years ago by an object 160 feet (50 meters) across
... yes, impacts like the one that produced the Meteor Crater are extremely rare
Have there been aliens? Will there be aliens?
The fact we are alive and pondering a vast Universe from spaceship Earth raises a number of fascinating questions. Astrophysicist are now asking why “here” and why “now”. What is the chance of life emerging around a star like the Sun, about 12-13 billion years after our Universe was born?