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Show HN: The Roman Industrial Revolution that could have been

This is a proof-of-concept comic book that asks: What if knowledge from 2025 reached Rome and kicked off an industrial revolution?

The story follows two voices: - Ulysses, a present-day archaeologist who finds a glowing slate in the dig site. - Marcus, an educated household slave in 79 AD who replies on that slate.

Why I’m posting:

I’d love narrative feedback. – Does the story make sense? – Are Ulysses and Marcus believable? – Which directions would you explore next (politics,

Show HN: Eyesite - experimental website combining computer vision and web design

I wanted Apple Vision Pros, but I don’t have $3,500 in my back pocket. So I made Apple Vision Pros at home.

This was just a fun little project I made. Currently, the website doesn't work on screens less than 1200x728 (Sorry mobile users!) It also might struggle on lower end devices.

For best results, have a webcam pointing right at you. I tested my website with a MacBook camera.

Any comments, questions, or suggestions are greatly appreciated!

blog:

World’s biggest sand battery to heat Finnish town without fossil fuels


A small town in Finland is about to ditch fossil fuels in its heating network thanks to a sand-filled energy storage tank the size of a house. Finnish startup Polar Night Energy recently turned on the so-called sand battery in the munici

TNW Backstage dives into the debate over sustainable motorsport


This week on TNW Backstage, we’re heading into the fast lane — and straight into the climate debate. In the final episode of the podcast, we revisit a divisive bet on sustainable motorsport: Extreme E, the all-electric racing series. The events sent SUVs hurtli

Clearest views yet of Sun’s south pole may unlock its mysteries


A spacecraft developed by European scientists and companies has captured unprecedented new views of the Sun’s south pole. Built by Airbus in the UK, Solar Orbiter was developed as part of a joint mission between the European Space Agency (ESA) and NASA. The probe

European VCs just made a record bet on this fusion energy underdog


Two years ago, German startup Proxima Fusion emerged from stealth with big ambitions to make a little-known stellarator fusion machine a serious contender in the race for commercial fusion energy. Today, the Munich-based company secured Europe’s largest-ever p

Forget the Stanley. This Is the Only Water Bottle I'll Use Now

This insulated water bottle is affordable and stylish, and you can find the perfect color combo to make it a thoughtful Father's Day or graduation gift. https://www.cnet.com/deals/forget-the-stanley-this-is-the-only-water-bottle-ill-use-now/#ftag=CADf328eec

8d | cnet.com
Od grafické karty VGA k vyšším rozlišením i většímu množství barev (2. část)

Ukážeme si, jak lze provést přepnutí do zvoleného grafického režimu a jak se do obrazové paměti zapisují jednotlivé pixely, což může být komplikované. https://www.root.cz/clanky/od-graficke-karty-vga-k-vyssim-rozlisenim-i-vetsimu-mnozstvi-barev-2-cast/?utm_source=rss&utm_medium=text&utm_campaign=rss

8d | root.cz
Aukce domén nemají vydělávat, cílem je spravedlivý přístup, říká Timo Võhmar z Estonska

V roce 2016 se estonský správce domény .ee postavil čelem k dlouhodobému problému: neférové technické výhodě odchytávačů domén. Zavedl transparentní aukční systém, který by vytvořil rovné podmínky pro všechny. https://www.root.cz/clanky/aukce-domen-nemaji-vydelavat-cilem-je-spravedlivy-pristup-rika-timo-v-hmar-z-estonska/?utm_source=rss&utm_medium=text&utm_campaign=rss

8d | root.cz
Creating The “Moving Highlight” Navigation Bar With JavaScript And CSS

In this tutorial, Blake Lundquist walks us through two methods of creating the “moving-highlight” navigation pattern using only plain JavaScript and CSS. The first technique uses the getBoundingClientRect method to explicitly animate the border between navigation bar items when they are clicked. The second approach achieves the same functionality using the new View Transition API. https://smashingmagazine.com/2025/06/creating-moving-highlight-navigation-bar-javascript-css/