Day: November 21, 2020

In Historic Test, US Navy Shoots Down an Intercontinental Ballastic Missile

“In a historic test, a U.S. Navy guided missile destroyer shot down an intercontinental ballistic missile (ICBM) warhead aimed at a patch of ocean off the Hawaiian Islands,” reports Popular Mechanics: Once the missile launched, a network of sensors picked it up. The data was then handed off to the guided missile destroyer USS John…


SpaceX launches new NASA satellite and lands with a boom – CNET

The latest Falcon 9 mission boosted Sentinel-6 Michael Freilich satellite, which is meant to keep a precise eye on our oceans. …read more Source:: CNet


Black Friday 2020 TV deals: TCL 55-inch for $250, Samsung 58-inch for $398, more deals start Sunday – CNET

It’s the best time of the year to save on a new TV. …read more Source:: CNet


Assigning Homework Exacerbates Class Divides, Researchers Find

“Education scholars say that math homework as it’s currently assigned reinforces class divides in society and needs to change for good,” according to Motherboard — citing a new working paper from education scholars: Status-reinforcing processes, or ones that fortify pre-existing divides, are a dime a dozen in education. Standardized testing, creating honors and AP tracks,…


Build your own arcade: Save up to $150 on these Arcade1Up retro game cabinets – CNET

Get Ms. Pac-man or Street Fighter cocktail tables, Golden Tee in a 3/4 cabinet or Space Invaders for your countertop. …read more Source:: CNet


High-Speed Spectrometer Built with Cheap Linear CCD

If you’ve ever dreamed of building a proper spectrometer, it looks like the ESPROS epc901 CCD sensor is absolutely worth your attention. It’s fast, sensitive, easy to interface with, and at just $24 USD, it won’t break the bank. There’s only one problem: implementing it in your project means either working with the bare 2×16…


HP Black Friday 2020 deals: Big savings on Pavilion, Envy and Omen models – CNET

Save between $50 and $200 on work-from-home and gaming laptops. …read more Source:: CNet


After Restoring YouTube-dl, GitHub Revamps Its Copyright Takedown Policy

On October 23rd GitHub initially complied with a takedown request for the open-source project youtube-dl — and then after 24 days, reinstated it. “If there’s a silver lining to the episode, it’s that GitHub is implementing new policies to avoid a repeat of a repeat situation moving forward,” reports Engadget: First, it says a team…


Save up to $300 on the smartphone-controlled Brava countertop oven – CNET

Make entire meals in this oven that can bake, broil, sear, toast, reheat and even dehydrate. …read more Source:: CNet


SpaceX Begins a Day With Two Falcon 9 Launches, Seventh Flight of a Recycled Rocket

While tonight will see SpaceX’s 16th launch of its broadband satellites, that launch will also make history, reports CNET: The first stage of the Falcon 9 rocket is set to make its seventh flight, which would be a record for rocket recycling for the company. The booster previously flew on four Starlink missions and a…