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Perseverance Rover spotted from Space as a tiny speck on Martian surface

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Image: https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Exploration/ExoMars/ExoMars_orbiter_images_Perseverance_at_landing_site

The photograph snapped by ESA-Roscosmos Trace Gas Orbiter showed not just the Perseverance rover but also the leftover elements of the landing. The parachute, the heat shield and the back shell, and even its descent stage are all visible in this peculiar portrait which is several kilometers across. The image was taken five days after landing.So, can you spot Perseverance in the image?

The mission hopes to study the tenuous atmosphere of Mars and better understand its rarer components: the trace gases in the Martian air.The Mars Reconnaissance Orbiter has a high-resolution camera called HiRISE that snapped the same panorama just after landing.

Thanks to HiRISE, we can see some fascinating details including the V-shape created by the Sky crane’s impact as it hit the ground.

As the rover begins roaming around the planet the rest of the landing elements will slowly become covered in dust and eventually fade away altogether, and HiRISE will continue to monitor these changes. Mars might not have strong winds or rain, but the surface still changes over time.

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Yusaku Maezawa is looking for eight people to join him for a Moon voyage on SpaceX Ship

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Yusaku Maezawa, Japanese billionaire, invited the public on Tuesday to join SpaceX‘s Starship in his private mission around the Moon.He is reaching out to a “wider, more diverse audience” two years after announcing he would only ride with a select group of artists. The trip is currently slated for 2023.

“I want people from all kinds of backgrounds to join”, Maezawa stated in a video posted Tuesday afternoon, as the contest application went live. “It will be 10 to 12 people in all, but I will be inviting 8 people to come along on the ride”.

Now, any person who meets two criteria could get selected for the ride: those who ” can push its envelope to help other people and greater society in some way” and are “willing to support other crew members who share similar aspirations”.

Project updates have been minimal over the past two years. In January 2020, Maezawa launched a bizarre campaign to search for a “female partner” who would accompany him on his trip around the moon.

Maezawa’s announcement on Tuesday lacked any details as to how the selected astronauts would train for the mission, but he clarified the undisclosed ticket price is on him. He said it will take three days to get to the Moon, where Starship will loop behind it and starts its three-day journey returning to Earth.

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Soundcloud will pay indie artists based on their actual listeners

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Image:https://community.soundcloud.com/fanpoweredroyalties

Soundcloud tries something new for a major music streaming service: paying indie artists a share of their actual listeners’ subscription fees. The company names this as “fan-powered royalties” which means SoundCloud subscriber’s subscription fee or advertising revenue will be divvied up among the artists they actually listen to.

This is a major change for the industry and one indie artists have been pushing for. Presently, most streaming platforms reward the world’s biggest stars with the most royalties. For example, Spotify figures out how many streams happened on its platform in a specific country and then calculates which portion of those streams went to a specific artist. This results in smaller artists not being able to make much money because they represent a smaller portion of overall streams despite having a dedicated, loyal audience.

Soundcloud disclosed that its new system will change that. It cites one musician who has 124,000 followers who made $120 a month with the old model, but with fan-powered royalties makes $600.

How SoundCloud will balance the royalties or how it will divvy up a listener’s revenue still remains to be seen. If it becomes successful, artists could advocate for more platforms to take on this model.

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NASA’s Perseverance rover has the same processor as an iMac from 1998

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IMAGE:The first image showing Perservenace lowered to Martian surface by its rocket-powered Skycrane, https://mars.nasa.gov/mars2020/

NASA’s latest Perseverance rover is the most advanced machine to ever land on Mars. But “state of the art” technology can be a subjective term. Perseverance runs on a PowerPC 750, a single core, 233MHz processor with only 6 million transistors most famous for powering the original “Bondi blue” iMac from 1998. It is also the same processor type NASA uses in its Curiosity rover.

This may seem like a waste because surely NASA could have had the budget for something more contemporary and modern but as New Scientist explained, advanced chips are actually a detriment to the unique operating conditions of the Red Planet.

https://twitter.com/y2k_aesthetic/status/1072631697936711680?s=20

It is largely due to the atmosphere in Mars which offers less protection from harmful radiation and charged particles than the Earth’s atmosphere. A bad burst of radiation can easily wreck the sensitive electronics in a modern processor; and the more complex the chiptech more can go wrong. Due to these conditions , Perseverance uses the PowerPC chip to make the system much more durable.

Technically, it is a RAD750 chip, a special variant that is hardened against radiation which makes it popular for spacecraft In addition to Curiosity and Perseverance, it also powers the Fermi Space Telescope, the Lunar Reconnaissance Orbiter and the Kepler telescope.

https://twitter.com/NASAPersevere/status/1365378766554296321?s=20
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Twitter opens its audio chatroom “Spaces” to Android users

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Alex
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Twitter has opened Spaces, its audio chat room, to Android users, the company tweeted Tuesday.

Twitter announced a limited version of the Clubhouse competitor in iOs in January.

While any of Twitter’s iOS app users can join Spaces, only a few can host them at the moment. Twitter mentioned it was giving Spaces a “very small feedback group” to start, with women and people from marginalized groups given priority. Now, users of Twitter’s Android app can listen and join Spaces as well.

The announcement tweet did not mention when Android users will be able to host Spaces; it will look like Android users can listen and speak to conversations in Spaces  but not host their own chats just yet.

Twitter has been ramping up its forays into voice-based features over the past months. In addition to launching Spaces in beta, it introduced audio tweets last June in iOS for a limited number of individuals. The audio tweets allow users to record and send audio messages up to 140 seconds long.

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Microsoft announces new Outlook calendar board

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Image:https://techcommunity.microsoft.com/t5/outlook-blog/everyone-needs-some-extra-time/ba-p/2164356

Microsoft makes its first significant change to the Outlook calendar view in years. A new Outlook calendar board view is coming soon to Outlook for the web. It’s a new dynamic view that will let you organize meetings alongside notes, tasks, links, files and more.

In the new calendar you can add a new card of information to help you organize your meetings and calendar. Files can sit alongside this view or even simple notes and goals to help with the organization. It is an ever-expanding board that tries to centralize everything that goes into keeping your calendar up to date and clean.

Microsoft is making this new board calendar view available in Outlook for the web first and will be available in Outlook for Windows or mobile versions of Outlook in the future.In addition, Microsoft is also improving Outlook forAndroid and iOs for scheduling meetings. Later this month, suggested times for meetings will appear for all education and commercial users, making it easier to prevent conflicts when scheduling with multiple applicants.

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Volvo vows to be all electric by 2030

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Image:https://www.pexels.com/photo/silver-audi-a-4-sedan-4259350/

Volvo’s entire car line-up will be fully electric by 2030, the company said on Tuesday. This makes the company join a growing number of carmakers pledging to phase out fossil-fuel engines by the end of this decade.

“I am totally convinced there will be no customers who really want to stay with a petrol engine,” Volvo Chief Executive Håkan Samuelsson told reporters when asked about future demand for electric vehicles.

“We are convinced that an electric car is more attractive for customers.”

Volvo stated it will invest heavily in online sales channels to “radically reduce” the complexity of its model line-up. It also plans to provide customers with transparent pricing.

Carmakers are racing to switch to zero-emission models as they face CO2 emissions targets in Europe and China, plus looming bans in some countries on fossil fuel vehicles.

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Grimes sold $6 million worth of NFT digital art

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Image:https://twitter.com/Grimezsz/status/1365899885979963392/photo/1

Pop artist Grimes auctioned a series of 10 digital art pieces in Nifty Gateway on February 28. She was able to sell around $6 million worth of digital artworks after putting them up for auction. Some of the artworks have thousands of copies and some one of a kind.

The highest selling piece was a one-of-a-kind video called “Death of The Old”. The artwork shows flying cherubs, a sword, a cross and glowing light set to an original Grimes song. The winning bidder took it for roughly $389,000.

NFTs, stands for non-fungible tokens, allows buyers to purchase ownership of a digital item. The digital item is usually an image, video or animation paid in the form of a unique digital token living on a block chain.

NFTs allow buyers to support artists. Though buyers may not get to hang these pieces at home, they can get bragging rights for purchasing a famous work such as Nyan Cat or an artwork by a popular artist like Grimes. NFTs are a speculative asset and plenty of marketplaces popped up to offer the ability to resell them, as long as the hype around NFTs continues.

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The World’s First Ever Video of A Space-Time Crystal

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A Polish-German collaboration has been able to conduct the first video-recording of a space-time crystal. The recurring material structure was micrometer-sized at room temperature. It also provides a step forward into finding applications for these curious objects.

A crystal is a material whose constituents are arranged in a lattice, highly ordered microscopic structure. A time crystal is similar but the order is not seen in space but in time. The structure changes and oscillates returning to a specific configuration periodically.

Combine the two and you get a space-time crystal. The one in the Physical Review Letters study was created using a strip of permalloy (iron-nickel alloy) and placed on a tiny antenna through which they sent a radio-frequency current.

“Our crystal condenses at room temperature and particles can interact with it – unlike in an isolated system. Moreover, it has reached a size that could be used to do something with this magnonic space-time crystal. This may result in many potential applications.” co-lead author Pawel Gruszecki said in a statement.

Crystals are very useful in an array of technologies so there is a lot of interest in how time crystal structures can be employed for imaging technologies or communication.

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Zoom shares rise on strong current-quarter forecast

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Alex
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Image: https://www.pexels.com/video/webinar-video-conference-conference-call-online-meeting-4316384/

At the beginning of the COVID-19 pandemic, Zoom was a relative upstart that has gone public on a promise to make video conferencing software more user-friendly.

Businesses all over the world took to the company’s services during the outbreak and ever since then, Zoom has seen a meteoric rise over the last year, with investors keen on knowing if the firm can maintain this level of growth.

Zoom forecast current-quarter revenue between $900 million and $905 million, compared with estimates of $829.2 million, according to IBES Refinitiv data.

The company has seen its user numbers surge in the past year, while its shares more than quadrupled during the same period. The platform said it has 1,644 customers contributing more than $100,000 in trailing 12 months revenue, more than double from a year earlier.

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