School admissions appeals: how the panel actually decides
Admissions appeals are decided by a two-stage legal test balancing the school's case about capacity against the family's case about the…
Amelia Hart
380 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.
Why water companies lose a fifth of supply before it reaches a tap
Leakage persists because finding buried leaks is genuinely hard and fixing the last ones costs more than the water saves, a threshold the…
Amelia Hart
457 reading now
How weather forecasts are made and why day ten is fiction
Forecasts are built by assimilating millions of observations into physics models run dozens of times on supercomputers, and chaos theory…
Amelia Hart
364 reading now
Student loan repayments explained: why it works more like a tax
English student loans behave like a time-limited graduate tax on earnings above a threshold, which changes how borrowers should think about…
Amelia Hart
475 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
369 reading now
Peat bogs: the unglamorous carbon store Britain spent centuries draining
UK peatlands hold more carbon than the forests of Britain and France combined, yet most are degraded and leaking it, which makes rewetting…
Amelia Hart
369 reading now
Retraining in your forties: what realistically works
Mid-career retraining succeeds most often when it builds sideways from existing experience rather than starting from zero in a fashionable…
Amelia Hart
473 reading now
Why the kilogram was redefined: the end of the metal cylinder
For 130 years the kilogram was a platinum-iridium cylinder in a Paris vault, but measurable drift against its own copies forced…
Amelia Hart
434 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
330 reading now