Tag: performance monitor

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When a lightning return stroke heats a channel only centimetres wide to roughly 30,000 kelvin, about five times the temperature of the Sun’s visible surface, the air expands so violently that the pressure wave rolls across the ground as thunder

Jul 27, 2026

In October 1957, a beachball-sized aluminium sphere called Sputnik 1 began sending 0.3-second pulses on two radio frequencies from orbit, signals amateur operators around the world could receive, making the space age suddenly audible from Earth

Jul 27, 2026

In 1968, Douglas Engelbart sat before roughly 1,000 computing professionals in San Francisco and demonstrated the mouse, hypertext, video conferencing and shared-screen editing in one 90-minute session, a concentrated glimpse of the interactive computer future later remembered as the Mother of All Demos

Jul 27, 2026

How did a 1956 shipping container standardised at 8 by 8 by 20 feet cut cargo loading costs from about $5.83 a tonne to 16 cents and quietly rebuild world trade?

Jul 27, 2026

Content and cloud networks now account for three-quarters of used international bandwidth, while Google, Meta, Microsoft and Amazon own, co-own or buy capacity on a growing share of the 600-plus submarine cable systems carrying over 99 per cent of data between countries, a private map hidden below the wireless internet

Jul 27, 2026

In 1987, a year after the breakthrough that revived high-temperature superconductivity, physicists cooled a ceramic of yttrium, barium and copper oxide to 93 kelvin and watched it levitate a magnet indefinitely — the first superconductor cold enough to run on liquid nitrogen instead of scarce, expensive helium

Jul 27, 2026

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