Browsing: Built

The Roman aqueduct at Segovia, built around the first century AD without mortar, still carried water into the 1970s, its 167 granite arches held together by nothing but the precise weight distribution of stones cut to fit each other within fractions of a millimeter.

Saving Tips June 10, 2026

The Aqueduct of Segovia rises out of the Plaza del Azoguejo in central Spain with granite arches stacked in two…

Masahiro Hara and Denso engineers built the QR code in 1994 to help Toyota suppliers scan car parts from any angle, then kept the patent open until phone cameras and a 2020 pandemic turned the factory square into a daily ritual on restaurant tables

Saving Tips June 8, 2026

Masahiro Hara was trying to make a factory scanner read faster when his team at Denso built the QR code…

In 2016, archaeologists dated two rings of snapped stalagmites in France’s Bruniquel Cave to 176,500 years ago, evidence that Neanderthals had walked 336 metres into darkness with fire and built architecture deep underground long before modern humans reached Europe

Saving Tips June 5, 2026

Bruniquel Cave preserves two low rings of broken stalagmites 336 metres from the entrance, in a chamber so far beyond…

In November 1988, an unmanned Soviet space shuttle called Buran flew a full orbital mission and landed itself in a blizzard at Baikonur without a single human input, and three years later the country that built it no longer existed.

Saving Tips June 1, 2026

On the morning of November 15, 1988, a Soviet spacecraft named Buran lifted off from the Baikonur Cosmodrome in Kazakhstan,…

The Hollywood sign originally read HOLLYWOODLAND when it was built in 1923 as a real estate advertisement for a housing development, and it was only meant to stand for 18 months, but nobody ever got around to taking it down and the city eventually adopted it as a landmark

Saving Tips June 1, 2026

The Hollywood sign that crowns Mount Lee in Los Angeles started life in 1923 as a flashing real estate billboard…

In 1979, a Sony engineer named Nobutoshi Kihara built the first Walkman prototype in four days because his boss Masaru Ibuka wanted to listen to opera on long flights, and the team launched it with no advertising budget, no headphone jack standard, and an internal forecast of 5,000 units a month that the device beat in its first fortnight.

Saving Tips May 31, 2026

In February 1979, Sony co-founder Masaru Ibuka walked into the office of audio engineer Nobutoshi Kihara carrying a bulky TC-D5…

Inflation will likely be higher for longer. Your retirement plan isn’t built for that.

Personal Finance May 13, 2026

Official CPI masks double-digit spikes in healthcare, insurance and energy. Meanwhile, an outdated strategy quietly drains your portfolio.

I Built a ‘Second Brain’ in Notion and Obsidian: It Was a Productivity Trap

Saving Tips January 15, 2026

If you’ve been following the productivity landscape recently, you must’ve come across tons of posts recommending apps like Notion, Obsidian,…