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Near-zero-dispersion soliton and broadband modulational instability Kerr microcombs in anomalous dispersion

Microresonators based frequency combs, microcombs, have attracted huge interest in the last decades for their revolutionary performance of compact size, flexible comb spacing, and broad bandwidth. Wide applications of microcombs including optical fre.....»»

Category: topSource:  physorgFeb 2nd, 2023

SpaceX denied nearly $900 million in broadband subsidies

In a high-stakes decision, federal regulators announced Wednesday that SpaceX will not receive nearly $900 million in subsidies that the company was awarded in December, citing the fact that its satellite-based service is "still developing technology.....»»

Category: topSource:  cnnRelated NewsAug 10th, 2022

Man who built ISP instead of paying Comcast $50K expands to hundreds of homes

Jared Mauch gets $2.6 million from gov't to expand fiber ISP in rural Michigan. Enlarge / A truck delivery of fiber conduit and other materials for Jared Mauch's broadband network. (credit: Jared Mauch) Jared Mauch, the Michig.....»»

Category: topSource:  arstechnicaRelated NewsAug 10th, 2022

Astound Upgrades Network System Wide, Will Offer 1.2 Gbps Service

Astound Upgrades Network System Wide, Will Offer 1.2 Gbps Service Cable broadband MSO Astound said today that it has upgraded its entire broadband footprint to support speeds of 1.2 Gbps downstream and 50 Mbps upstream. In addition, the company unvei.....»»

Category: topSource:  theglobeandmailRelated NewsAug 10th, 2022

Gene editing via CRISPR/Cas9 can lead to cell toxicity and genome instability

CRISPR/Cas9 is a precise gene editing technique whose development by Jennifer A. Doudna and Emmanuelle Charpentier was recognized with the 2020 Nobel Prize in Chemistry. Commonly known as "genetic scissors," CRISPR allows the introduction of the desi.....»»

Category: topSource:  physorgRelated NewsAug 9th, 2022

SpaceX and Viasat fight over whether Starlink can meet FCC speed obligations

Starlink still trying to get $886M in FCC funds awarded by Ajit Pai in 2020. Enlarge / A Starlink satellite dish. (credit: Starlink) Over a year and a half after tentatively winning $886 million in broadband funding from the g.....»»

Category: topSource:  arstechnicaRelated NewsAug 3rd, 2022

Comcast stock falls as company fails to add Internet users for first time ever

Comcast started and ended Q2 with 32.2 million broadband subscribers. Enlarge / Comcast CEO Brian Roberts at an event in Beijing on October 17, 2019. Comcast is the largest Internet provider in the US with over 29.8 million.....»»

Category: topSource:  arstechnicaRelated NewsJul 28th, 2022

Network device makers remain upbeat about 2H22 outlook

Taiwan-based network device makers remain optimistic about their business prospects for the second half of 2022, citing demand for broadband upgrades, particularly in North and Latin America......»»

Category: topSource:  theglobeandmailRelated NewsJul 20th, 2022

Democrats plan new legislation to establish net neutrality rules

Two Democratic senators are planning to reopen a high-stakes battle over internet access in the coming weeks, with a bill aiming to restore net neutrality regulations for broadband providers that a Republican-led Federal Communications Commission gut.....»»

Category: topSource:  pcmagRelated NewsJul 18th, 2022

T-Mobile continues to lead mobile speeds while COX wins fastest broadband in Ookla report

Ookla is out with its latest report for mobile and fixed broadband Internet speeds in the US. Continuing a string of wins, T-Mobile came in first for best mobile performance with download speeds almost 2x faster than AT&T and Verizon along with havi.....»»

Category: topSource:  theglobeandmailRelated NewsJul 18th, 2022

Amid climate change and conflict, more resilient food systems a must, report shows

Increased demand for water will be the No. 1 threat to food security in the next 20 years, followed closely by heat waves, droughts, income inequality and political instability, according to a new University of Colorado Boulder-led study which calls.....»»

Category: topSource:  theglobeandmailRelated NewsJul 18th, 2022

FCC chair proposes new US broadband standard of 100Mbps down, 20Mbps up

Pai FCC said 25Mbps down and 3Mbps up was enough—Rosenworcel proposes 100/20Mbps. Enlarge / Federal Communications Commission Chairwoman Jessica Rosenworcel during a House Energy and Commerce Committee Subcommittee hearing on March 3.....»»

Category: topSource:  arstechnicaRelated NewsJul 16th, 2022

Man Set Up Fake ISP To Scam Low-Income People Seeking Gov"t Discounts, FCC Says

An anonymous reader quotes a report from Ars Technica: An Ohio man created a fake broadband provider in order to scam low-income consumers who thought they were getting government-funded discounts on Internet service and devices, according to the Fed.....»»

Category: topSource:  slashdotRelated NewsJul 9th, 2022

Starlink Maritime brings satellite broadband to the seas

Starlink targets ships with dedicated hardware and service for the sea......»»

Category: topSource:  marketingvoxRelated NewsJul 9th, 2022

Man set up fake ISP to scam low-income people seeking gov’t discounts, FCC says

FCC: Entity refused refunds in terms of service and threatened to sue its victims. Enlarge (credit: Getty Images | Jeffrey Coolidge) An Ohio man created a fake broadband provider in order to scam low-income consumers who thoug.....»»

Category: topSource:  arstechnicaRelated NewsJul 6th, 2022

Greater insight into the pinning effects of skyrmions

When researchers use an optical Kerr microscope to zoom in on thin films of magnetic material, given the right conditions, they observe a sort of micro-scale magnetic hurricane. Physicists call these whirlwind-like magnetic structures skyrmions. The.....»»

Category: topSource:  marketingvoxRelated NewsJul 5th, 2022

Research team develops ultrabroadband edge coupler for highly efficient second harmonic generation

Thin-film lithium niobate (TFLN) has recently emerged as a versatile nanophotonic platform. With the advantages of high optical confinement, enhanced light-matter interaction, and flexible dispersion control, TFLN-based periodically poled lithium nio.....»»

Category: topSource:  physorgRelated NewsJun 30th, 2022

Structural origin of the anomalous properties of SiO2 glass under pressure

Understanding the structural origin of the anomalous properties of SiO2 liquid and glass is fundamental not only in physics, but also in geophysics, in understanding the nature of silicate magmas in the Earth and other planets, and in materials scien.....»»

Category: topSource:  physorgRelated NewsJun 27th, 2022

SpaceX claims 5G plan could ‘render Starlink unusable for most Americans’

SpaceX says its U.S. Starlink customers will see their broadband service disrupted if Dish Network is allowed to proceed with plans for its 5G cellular network......»»

Category: topSource:  digitaltrendsRelated NewsJun 22nd, 2022

Broadband perfect absorber scheme for light absorption

Researchers from the Shanghai Institute of Optics and Fine Mechanics (SIOM) of the Chinese Academy of Sciences have recently proposed a design concept for a tunable broadband perfect absorber based on non-split coupling of Epsilon-near-zero (ENZ) and.....»»

Category: topSource:  physorgRelated NewsJun 21st, 2022

Chinese Scientists Might Have Detected Signals From Alien Civilizations (Updated)

The team has detected an anomalous transmission using the enormous FAST radio observatory that could be evidence of alien intelligence.  The post Chinese Scientists Might Have Detected Signals From Alien Civilizat.....»»

Category: topSource:  extremetechRelated NewsJun 17th, 2022