The Daily Index — Wednesday, September 10, 2025 · TLDR Index

PROGRAMMING, DESIGN & DATA SCIENCE

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HOW I MADE RUBY FASTER THAN RUBY

P2 is a new HTML templating library for Ruby where HTML is expressed using plain Ruby. The templating source code is always compiled into an efficient Ruby code that generates the HTML. The code written inside a P2 template is never actually run, it just serves as a description of what you actually want to do. This post looks at how P2's template generation works.

noteflakes.com · 14 min

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META'S ELITE AI UNIT SPARKS TENSION WITH OLD GUARD

Meta is having trouble recruiting and retaining top-tier talent while keeping existing employees satisfied and maintaining harmony across the organization. Some of the company's expensive new recruits have already defected to other labs, and existing employees are fighting for new spots within Meta's restructured AI organization or lobbying for raises. At least one employee with a grant worth millions of dollars left, saying they believed newcomers were still making multiples more.

links.tldrnewsletter.com · 7 min

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MICROSOFT SETS NEW RTO POLICY, REQUIRING EMPLOYEES IN THE OFFICE 3 DAYS PER WEEK

Microsoft has revised its return-to-office policy to require employees to work on-site three days per week. The new requirement will begin in February for employees living within 50 miles of the company's Redmond HQ. It will roll out to other US and global locations later. Employees can ask for exceptions through mid-September. Microsoft's Executive Vice President, Amy Coleman, says that the shift is not a headcount-reduction measure.

links.tldrnewsletter.com · 2 min

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LIQUID GLASS IN THE BROWSER: REFRACTION WITH CSS AND SVG

This article explores how to recreate Apple's Liquid Glass effect on the web using CSS, SVG displacement maps, and physics-based refraction calculators.

kube.io · 17 min

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SPACEX'S LESSON FROM LAST STARSHIP FLIGHT? “WE NEED TO SEAL THE TILES.”

SpaceX's ground team has installed a new experimental material around and under the tiles called 'crunch wrap'.

arstechnica.com · 15 min

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NEW IPHONES USE APPLE N1 WIRELESS CHIP—AND WE'LL PROBABLY START SEEING IT EVERYWHERE

The Apple N1 chip provides Wi-Fi 7, Bluetooth 6, and Thread support for all of the new iPhones.

arstechnica.com · 2 min

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ROBINHOOD, A BROKER BUILT FOR SOCIAL-MEDIA AGE, WILL LAUNCH ITS OWN SOCIAL NETWORK

Robinhood is adding a social platform to its mobile app that will allow users to post trades, follow other investors, and track the market moves of public figures.

links.tldrnewsletter.com · 2 min

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MEMES, MEDIA, & THE MIND: WHY YOU WANT WHAT YOU WANT

Most goals are picked from elsewhere and mistaken for personal destiny.

parzival.bearblog.dev · 3 min

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TESLA UNVEILS MEGABLOCK AND MEGAPACK 3: MORE POWER AND ENERGY DEPLOYED FASTER

Megapack 3 is the latest generation of Tesla's utility-scale energy storage system, and Megablock integrates Megapack 3 with transformers and switchgear.

electrek.co · 3 min