China has begun launching its own satellite internet network

Since 2019, Elon Musk and SpaceX have led the charge to create high broadband satellite internet services. As of May 2023, the Starlink constellation consisted of more than 4,000 satellites operating in Low Earth Orbit (LEO) ...

A sensitization strategy achieves hyperfluorescence

Organic light-emitting diodes (OLEDs) play an important role in new-generation flat-panel displays. For ultra-high-definition displays presented in International Telecommunication Union (ITU) Recommendation BT 2020 standard, ...

It's time-out for leap seconds

Meeting in Versailles, France, on Friday, the Bureau International des Poids et Mesures (BIPM) has called time-out on "leap seconds"—the little jumps occasionally added to clocks running on Coordinated Universal Time (UTC), ...

How the spread of the internet is changing migration

The spread of the Internet is shaping migration in profound ways. A McGill-led study of over 150 countries links Internet penetration with migration intentions and behaviours, suggesting that digital connectivity plays a ...

About 3% of Starlink satellites have failed so far

SpaceX has drawn plenty of praise and criticism with the creation of Starlink, a constellation that will one day provide broadband internet access to the entire world. To date, the company has launched over 800 satellites ...

Global e-waste surging: Up 21% in 5 years

A record 53.6 million metric tons (Mt) of electronic waste was generated worldwide in 2019, up 21% in just five years, according to the UN's Global E-waste Monitor 2020.

Half of world's locked-down pupils lack computer: UN

Half of the world's school and university students affected by class closures because of the coronavirus outbreak—from pre-primary to university level—do not have access to a computer for home-schooling, the UN's educational ...

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