Unbound: No 88

A Quantum Solution to an 18th-Century Puzzle
by Philip Ball | APS Physics

A mathematical problem with no classical solution turns out to be solvable using quantum rules.

3 Min Read →


How interactive, real-time AR could change the future of video calling
by |  Venturebeat

Image Credit: Colin Anderson Productions pty ltd/Getty

Microsoft is removing all social hubs hosted in AltspaceVR and requiring users to log into the virtual reality app using a Microsoft account. The changes are designed to improve safety and moderation on AltspaceVR, and Microsoft will also turn its existing safety bubble feature on by default and mute attendees joining meetings in AltspaceVR by default.

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Forget Wall Street Bets, Wall Street Chads Is Changing The Community Investing Game
By Bitcoinist | Bitcoinist

Wall Street Chads is the first NFT project to create a decentralized community-run investment platform. Inspired by WallStreetBets, the infamous subreddit community which is credited for the meme-investing craze and coordinating one of the largest short squeezes in history, Wall Street Chads leverages the power of the blockchain to bring the same community-driven investment strategies in a completely decentralized way.

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🌙 NASA - Best Photo from Last Week
Hubble Peers at Peculiar Pair of Galaxies

This striking image from the NASA/ESA Hubble Space Telescope showcases Arp 298, a stunning pair of interacting galaxies. Arp 298 – which comprises the two galaxies NGC 7469 and IC 5283 – lies roughly 200 million light-years from Earth in the constellation Pegasus. The larger of the two galaxies pictured here is the barred spiral galaxy NGC 7469, and IC 5283 is its diminutive companion. NGC 7469 is also host to an active, supermassive black hole and a bright ring of star clusters.

The “Arp” in this galaxy pair’s name signifies that they are listed in the Atlas of Peculiar Galaxies compiled by the astronomer Halton Arp. The Atlas of Peculiar Galaxies is a gallery of weird and wonderful galaxies containing peculiar structures, featuring galaxies exhibiting everything from segmented spiral arms to concentric rings. This interacting galaxy pair is a familiar sight for Hubble – a portrait of the merging galaxies in Arp 298 was published in 2008.

This image of Arp 298, which also contains several background galaxies, contains data from three separate Hubble observing proposals. By combining observations from three proposals, Arp 298 is captured in glorious detail in seven different filters from two of Hubble’s instruments – the Wide Field Camera 3 and the Advanced Camera for Surveys.

This system will be one of the first galaxies observed with the NASA/ESA/CSA James Webb Space Telescope as part of the Director's Discretionary Early Release Science Programs in Summer 2022.

Text credit: European Space Agency (ESA)
Image credit: ESA/Hubble & NASA, A. Evans, R. Chandar

Media Contacts:

Claire Andreoli
NASA's Goddard Space Flight Center
301-286-1940

Last Updated: Feb 25, 2022
Editor: Andrea Gianopoulos


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