The SIM swap scam: how phone numbers became keys to everything
SIM swap fraud exploits the gap between what a phone number can unlock, bank logins, email resets, one-time codes, and how casually…
Amelia Hart
423 reading now
Amelia Hart
Technology Correspondent
Amelia Hart covers artificial intelligence, consumer tech and the platform economy. She has written about the technology industry for more than a decade.
How new elements get made and named
Superheavy elements are forged one atom at a time by slamming ion beams into rare actinide targets, then survive milliseconds before…
Amelia Hart
357 reading now
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
432 reading now
How tides actually work: the Moon is only half the story
The textbook picture of two lunar bulges cannot explain real tides: they are resonant waves sloshing in ocean basins, which is why the…
Amelia Hart
380 reading now
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
389 reading now
How earthquakes are measured and why magnitude is not damage
Moment magnitude records the energy released at the fault on a logarithmic scale, but depth, soil conditions and building codes decide the…
Amelia Hart
370 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
378 reading now
What DNA ancestry kits can and cannot tell you
The ancestry percentages in a home DNA kit are statistical estimates made by comparing your markers against reference panels, not a fixed…
Amelia Hart
461 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
391 reading now