The James Webb Space Telescope is the world’s most complex infrared telescope, built for a wide range of research projects. NASA is now targeting October 31 for its launch on an Ariane 5 rocket from French Guiana. Source: https://earthsky.org/space/james-webb-telescope-hubble-successor-to-launch…
Tag: SAT
The moon rock in Washington National Cathedral
A moon rock collected by Apollo astronauts during the first moon landing is enshrined in a stained-glass window – known as the Space Window – in the Washington National Cathedral. Source: https://earthsky.org/human-world/moon-rock-washington-national-cathedral-stained-glass-window…
Elon Musk Admits Tesla Has Quality Problems
In an interview on Tuesday, Tesla CEO Elon Musk sat down with one of Tesla’s harshest critics, Sandy Munro, and discussed the issues that plagued early Model 3s. CNN reports: In early 2018 engineering consultant Sandy Munro, who tears apart and reverse-engineers cars to assess quality, issued a brutal appraisal of the Model 3 citing “flaws that we would see on…
The stars Shaula and Lesath as heralds of spring
On February mornings, look for the celestial ducks returning to open water on the river of the Milky Way as the stars Shaula and Lesath make their appearance. Source: https://earthsky.org/astronomy-essentials/two-stars-in-scorpius-are-a-harbinger-of-spring…
In Rare Show of Solidarity, 14 Key Nations Commit To Protect Oceans
When the heads of state of 14 nations sat down together in late 2018 to discuss the grim condition of the world’s oceans, there was no certainty that anything consequential would result. The leaders planned 14 gatherings, but met only twice before the pandemic upended their talks. So when the group announced this week the world’s most far-reaching pact to protect…
Diverse Representation: Learner Impacts and Strategies in Online Courses
By: Ji Su Lee and Eli Fogle, Coursera Teaching and Learning team Many learners are new to online learning. It can be an isolating environment without the in-person opportunities to connect with the instructor and other learners. Creating an environment where learners can succeed includes many factors, and key among them is for students to […]
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How Ex-Facebook Data Experts Spent $75 Million On Targeted Anti-Trump Ads
The night before America’s election, Fast Company reported: On the internet, we’re subject to hidden A/B tests all the time, but this one was also part of a political weapon: a multimillion-dollar tool kit built by a team of Facebook vets, data nerds, and computational social scientists determined to defeat Donald Trump. The goal is to use microtargeted ads, follow-up surveys,…
Keeping Up with the Demand for Data Science and Analytics: Meet Eric
Welcome to edX Insider — where we take you behind the scenes at edX HQ to interview people across the organization. In this installment, we sat down with Eric, our new Category Manager for Data Science & Analytics, to talk about remote starts, personal goals, and advice for pursuing data science opportunities during a pandemic. Let’s dive in.What are you most…
‘How 30 Lines of Code Blew Up a 27-Ton Generator’
After the U.S. unveiled charges against six members of the Sandworm unit in Russia’s military intelligence agency, Wired re-visited “a secret experiment in 2007 proved that hackers could devastate power grid equipment beyond repair — with a file no bigger than a gif.” It’s an excerpt from the new book SANDWORM: A New Era of Cyberwar and the Hunt for the…
Senate Republicans Vote To Subpoena Facebook and Twitter CEOs About Alleged Censorship
Republicans on the Senate Judiciary Committee voted to authorize subpoenas for Facebook CEO Mark Zuckerberg and Twitter CEO Jack Dorsey to testify about their handling of a recent unverified New York Post article about former Vice President Joe Biden’s son. From a report: Twelve Republicans on the committee voted to authorize the subpoenas and ten Democrats sat out the markup in…