Technology

PlasticARM

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An article published in “Nature” reports the creation of a flexible microprocessor based on plastic materials instead of silicon. A team of ARM researchers developed this processor that was called PlasticARM also because its Cortex-M0 core is based on ARM architecture, precisely ARMv6-M. It’s an extremely limited processor in its performance, as it has a frequency of 30 kHz and supports up to 128 bytes of RAM and 456 bytes of ROM. The aim was to produce a fully functional flexible processor so this is a starting point from which to develop processors for use in fields where flexibility is important such as wearables and other products connected via the Internet of Things such as medical devices.

A schematic of how the system called genomatnn recognizes adaptive introgression

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An article published in the journal “eLife” reports the development of an approach based on convolutional neural networks (CNNs) to identify genes inherited from other species such as Neanderthals that brought positive effects. A team of researchers led by Graham Gower of the Danish University of Copenhagen developed this deep learning technique to examine genomes of modern humans for examples of what is technically called introgression, which means genes that a hybrid between two species brought into one of his parents’ species. Various possible examples have been found, for example, genes inherited from Denisovans have been found in Melanesians that affect various metabolic and disease-related traits.

Fastly network's status after being back to normal

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On Tuesday, a lot of websites worldwide suffered malfunctions that led to some parts missing up to being impossible to connect to them. That was due to a serious problem of Fastly, a CDN (Content Delivery Network o Content Distribution Network) supplier, which means a service that normally allows faster access to a website. The problem started when it was night in the USA with consequences all around the world then it was solved about an hour after being recognized at Fastly. The trouble didn’t last long but show how something going bad in the system of a very important Internet operator can have consequences on a lot of websites. In this case, it was a bug introduced in a recent update that was supposed to be discovered before it caused any damage.

Biphenylene network's structure

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An article published in the journal “Science” reports the production of sheets as thick as one atom of biphenylene, also confirming that the material has metallic properties, a feature that was theorized but not proven so far. A team of researchers created an ordered lattice made up of squares, hexagons, and octagons. This structure reminds in various ways graphene sheets, a material that for years has been considered very interesting for many possible applications but is still complex to produce at an industrial level at low costs. For some applications, such as an anode material in lithium-ion batteries, biphenylene networks might be better than graphene.

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Electric vehicle maker Tesla has provided the periodic update to shareholders which reveals revenues of $272 million from the sale of part of the Bitcoins purchased in early February for a profit of approximately $102 million. Elon Musk repeatedly showed he believes in cryptocurrencies, and at the end of March announced the possibility of buying a Tesla car by paying in Bitcoin. Musk also owns Bitcoin in his personal assets and promoted Dogecoin several times as well.