Technology
How Facial Recognition Works, and Why It Gets People Wrong
A face-matching system never decides who you are — it reports how similar two faces look, and a threshold does the rest. That gap is where wrongful arrests come from.
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Technology
Consumer tech, AI, security and the products people actually use.
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Technology
Why Do Blackouts Happen, and Why a Grid Protects Itself
The picture of a grid running out of electricity is wrong. There is no tank, frequency is the live readout of the balance, and a cascade is the protection working.
Technology
How Does GPS Work, and Why It Cannot Track You
Your phone sends nothing to the satellites. What the fourth satellite is actually for, why orbital clocks run 38 microseconds fast a day, and where tracking really comes from.
Technology
What Happens When an Undersea Cable Breaks
Roughly 200 submarine cable faults happen every year, and almost none of them make the news. What actually breaks, who fixes it, and why the repair fleet is the part worth worrying about.
Technology
Why Phone Batteries Wear Out — and What Actually Slows It Down
Lithium-ion cells lose capacity through chemistry, not misuse. Here is what genuinely slows the process, and which pieces of popular advice you can ignore.