How spam filters decide what you never see
Modern spam filtering is a reputation economy built on SPF, DKIM and DMARC authentication plus machine-learned sender scores, and the same…
Amelia Hart
373 reading now
Technology
AI, software, hardware and the digital shifts redefining how we live and work.
401 stories
Why your broadband speed is not what the advert said
Advertised broadband speeds are peak-time medians measured at the router, so contention on shared lines, copper distance, and wi-fi physics…
Amelia Hart
364 reading now
How undersea cables carry the internet and why they keep getting cut
Roughly 500 submarine cables carry almost all intercontinental data, laid and mended by a few dozen specialist ships, which turns anchors…
Amelia Hart
400 reading now
Passkeys explained: the plan to kill the password
Passkeys replace typed passwords with cryptographic key pairs held on your device, making credentials unphishable and unleakable, but…
Amelia Hart
321 reading now
How GPS knows where you are and why it sometimes does not
A phone fixes its position by timing radio signals from satellites carrying atomic clocks, and the same physics explains city-centre drift…
Amelia Hart
393 reading now
What happens when you delete a file and why it is rarely gone
Deleting a file usually removes only the directory entry pointing to it, leaving the data on disk until overwritten, which makes recovery…
Amelia Hart
342 reading now
Shy on the dance floor? Virtual reality 'partners' aim to help you find your groove
Shy on the dance floor? Virtual reality 'partners' aim to help you find your groove. A technology report from Daily Junction.
Amelia Hart
396 reading now
How contactless payments actually work
A contactless tap runs a full EMV cryptographic exchange over NFC in under half a second, and the £100 limit exists because of liability…
Amelia Hart
360 reading now
Eight facts about air conditioning amid an overheated global debate
Eight facts about air conditioning amid an overheated global debate. A technology report from Daily Junction.
Amelia Hart
392 reading now