A microwave oven works because water molecules have a slight positive and negative end — the magnetron flips an electric field 2.45 billion times a second, and the molecules twist back and forth so fast the friction becomes heat
A microwave oven works because water molecules have a slight positive and negative end — the magnetron flips an electric field 2.45 billion times a second, and the molecules twist back and forth so fast the friction becomes heat Every aquatic particle in…
Airplane mode was never just about planes: it combines a 1991 FCC network rule with an FAA interference rule dating to 1961
Airplane mode was never just about planes: it combines a 1991 FCC network rule with an FAA interference rule dating to 1961 If you have flown in the last years, you come to be aware the schedule: switch your phone to jet mode in days gone by roast. The…
In 1947, Harvard’s Mark II ran on roughly 13,000 electromechanical relays, stored numbers across 100 registers, and read instructions from punched paper tape, turning thousands of clicking metal switches into a Navy calculator vulnerable to dust, loose contacts, and one famously misplaced moth
In 1947, Harvard’s Mark II ran on roughly 13,000 electromechanical relays, stored numbers across 100 registers, and read instructions from punched paper tape, turning thousands of clicking metal switches into a Navy calculator vulnerable to dust, loose…
In 1971, engineer Ray Tomlinson sent the first networked email between two computers sitting side by side in the same room — he chose the @ symbol to separate user from machine because it was the only punctuation on the keyboard nobody was using
In 1971, engineer Ray Tomlinson sent the first networked email between two computers sitting side by side in the same room — he chose the @ symbol to separate user from machine because it was the only punctuation on the keyboard nobody was using In late…
Your SSD doesn’t forget files the way a hard drive does — it uses a background process called TRIM that actively wipes deleted blocks, which is why undelete tools rarely work on modern laptops
Your SSD doesn’t forget files the way a hard drive does — it uses a background process called TRIM that actively wipes deleted blocks, which is why undelete tools rarely work on modern laptops There is a rep sentiment, inherited from the era of…
HTTPS doesn’t encrypt which sites you visit — it hides the page contents, but your DNS lookups still broadcast every domain you open in plain text to your internet provider
HTTPS doesn’t encrypt which sites you visit — it hides the page contents, but your DNS lookups still broadcast every domain you open in plain text to your internet provider Beneath is the little deception the padlock icon implements every day. You…
How did a single computer worm written by a Cornell graduate student in November 1988 crash roughly 6,000 machines and force the internet to invent security?
How did a single computer worm written by a Cornell graduate student in November 1988 crash roughly 6,000 machines and force the internet to invent security? On the evening of 2 November 1988, a Cornell grad student named Robert Tappan Morris uploaded a…
At 3 gigahertz, a processor has only a third of a nanosecond between clock ticks, enough time for light to travel about 10 centimetres in vacuum before real interconnects, logic gates and capacitance shrink the distance a signal can cross on the chip
At 3 gigahertz, a processor has only a third of a nanosecond between clock ticks, enough time for light to travel about 10 centimetres in vacuum before real interconnects, logic gates and capacitance shrink the distance a signal can cross on the chip A…
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
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…
In a Milwaukee workshop in the 1870s, Christopher Latham Sholes spent years rearranging the keys of his mechanical Type-Writer so that commonly paired letters sat far apart, ensuring the metal typebars would swing from different directions and not jam mid-word
In a Milwaukee workshop in the 1870s, Christopher Latham Sholes spent years rearranging the keys of his mechanical Type-Writer so that commonly paired letters sat far apart, ensuring the metal typebars would swing from different directions and not jam…