For years, tech companies have touted blockchain technology as a means to develop identity systems that are secure and decentralized. The goal is to build a platform that could store information about official data without holding the actual documents or details themselves. Instead of just storing a scan of your birth certificate, for example, a decentralized ID platform might store a…
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Astrophysicists design ‘radically different’ world map
You know the old problem of how to portray the round globe of Earth on a flat map? Now a trio of map experts has worked together to solve this problem. Their new map is 2-sided and round. Source: https://earthsky.org/earth/astrophysicists-new-design-world-map…
Galaxies have magnetic fields, too! Images here
Until recently, magnetic fields in the outskirts of galaxies were too faint to be detected. Although it’s still not clear what causes them or how they’re maintained, astronomers have started to create images of their observations of galaxies’ magnetic fields producing beautiful aurora-like effects. See them here. Source: https://earthsky.org/space/images-of-magnetic-fields-in-galaxies…
What is the Milky Way?
When someone says “Milky Way,” do you think of the starry pathway across our sky, or of the great pinwheel-shaped galaxy in space? Both are correct! Source: https://earthsky.org/astronomy-essentials/what-is-the-milky-way-galaxy…
German Institute Develops ‘Powerpaste’ That Stores Hydrogen Energy At 10x the Density of a Lithium Battery
A German research organization has developed a magnesium-based “Powerpaste” with an energy density ten times more than current battery technology. Hackaday reports: We’ve been promised hydrogen-powered engines for some time now. One downside though is the need for hydrogen vehicles to have heavy high-pressure tanks. While a 700 bar tank and the accompanying fuel cell is acceptable for a city bus…
Twitter Considers Subscription Fee for Tweetdeck, Unique Content
Twitter is building a subscription product as a way to ease its dependence on advertising — a plan the social network has considered for years, and one that has taken on a heightened priority given the pandemic and pressure from activist investors to accelerate growth. From a report: The majority of Twitter’s revenue comes from targeted advertising, which serves up promoted…
Google Explores Alternative To Apple’s New Anti-Tracking Feature
Google is exploring an alternative to Apple’s new anti-tracking feature, the latest sign that the internet industry is slowly embracing user privacy, Bloomberg is reporting, citing people with knowledge of the matter. From the report: Internally, the search giant is discussing how it can limit data collection and cross-app tracking on the Android operating system in a way that is less…
‘Terms of Service’ Agreements Are Unbalanced, Need Reforming, Urges New York Times
“The same legalese that can ban Donald Trump from Twitter can bar users from joining class-action lawsuits,” warns the official Editorial Board of the New York Times, urging “It’s time to fix the fine print.” [Alternate URL here] [M]ost people have no idea what is signed away when they click “agree” to binding terms of service contracts — again and again…
Trump Seeks To Curb Foreign Cyber Meddling on Last Day in Office
Outgoing President Donald Trump has signed an executive order aimed at thwarting foreign use of cloud computing products for malicious cyber operations against the United States, the White House said on Tuesday, Trump’s last full day in office. From a report: The order, first reported by Reuters, gives the Commerce Department authority to write rules to bar transactions with foreigners in…
LG Wants To Put Transparent OLEDs in Restaurants and Subways
LG’s got a transparent OLED display, and if you’re wondering how such a device could be useful, the company has a few ideas to share. From a report: Ahead of the upcoming CES 2021 show, LG shared a few ideas on how its transparent OLED products could fit into real-world situations. One idea is having a transparent OLED at a restaurant,…