Category news

When was steel invented?

No one knows for sure when steel was invented, but some of the earliest examples crop up in the first millennium B.C. in Central and South Asia.

How breaking up Google could lower your online shopping bill

Enlarge (credit: Aurich Lawson) As the US Department of Justice aims to break up Google’s alleged ad tech monopoly, experts say that remedies sought in the antitrust trial could potentially benefit not just advertisers and publishers but also everyone targeted…

Grid-scale batteries: They’re not just lithium

Enlarge (credit: Petal) As power utilities and industrial companies seek to use more renewable energy, the market for grid-scale batteries is expanding rapidly. Alternatives to lithium-ion technology may provide environmental, labor, and safety benefits. And these new chemistries can work…

Google calls for halting use of WHOIS for TLS domain verifications

Enlarge (credit: Getty Images) Certificate authorities and browser makers are planning to end the use of WHOIS data verifying domain ownership following a report that demonstrated how threat actors could abuse the process to obtain fraudulently issued TLS certificates. TLS…