TLDR Index
TLDR

TLDR 2025-09-16

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01GENERAL

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02BIG TECH & STARTUPS

U.S. AND CHINA REACH ‘FRAMEWORK' FOR A TIKTOK SALE

The US has reached a preliminary deal with China on the fate of TikTok. Both sides have agreed to a framework to divest TikTok from ByteDance. President Trump and Xi Jinping are set to speak on Friday to approve the deal.

links.tldrnewsletter.com7 min read

03SCIENCE & FUTURISTIC TECHNOLOGY

SAM ALTMAN-BACKED RETRO BIOSCIENCES STARTS ALZHEIMER'S REVERSAL TRIAL

Retro Biosciences is gearing up for a clinical trial of a drug aimed at reversing the effects of Alzheimer's disease. The drug could potentially restore cognitive function in ways that could redefine longevity treatments. Retro's approach leverages cellular reprogramming techniques. The upcoming trial will test the pill's efficacy in human subjects.

links.tldrnewsletter.com4 min read

NEW ULTRASOUND HELMET REACHES DEEP INSIDE THE BRAIN WITHOUT SURGERY

Researchers have created an ultrasound helmet that could offer an alternative to invasive procedures. It can modulate deep-brain circuits without surgery with unrivaled precision. The helmet offers a safe, reversible, and repeatable method for both understanding brain function and developing targeted therapies. It has potential clinical applications for neurological disorders like Parkinson's disease, where deep-brain regions are especially affected.

sciencealert.com4 min read

04PROGRAMMING, DESIGN & DATA SCIENCE

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A TERMINAL COMMAND THAT TELLS YOU IF YOUR USB-C CABLE IS BAD

Android Studio recently added a new feature that warns users when they connect a slow cable to their phones. This post presents a script that checks USB connections in macOS. The script was originally cobbled together with AI, but while it worked, it was a mess to maintain. The developer used AI to port it to Go so the code could be structured more legibly and more easily tweaked.

kau.sh4 min read

APPLE HAS A PRIVATE CSS PROPERTY TO ADD LIQUID GLASS EFFECTS TO WEB CONTENT

Apple has a custom CSS property named -apple-visual-effect that allows the use of Liquid Glass in iOS 26. It only works by toggling a private setting in WKPreferences, so using it means no App Store approval. No one outside of Apple can use it - and no one knows where Apple is using it.

alastair.is3 min read

05MISCELLANEOUS

CUBESATS ARE FASCINATING LEARNING TOOLS FOR SPACE

It's possible to build a space-ready CubeSat using just a few thousand dollars of parts. Many CubeSats use Raspberry Pis and other off-the-shelf components. This post introduces CubeSats and shows readers how they can build their own CubeSats. It also covers several CubeSat projects by other creators.

jeffgeerling.com10 min read

THE LAST DAYS OF SOCIAL MEDIA

Genuine human content is increasingly being sidelined by algorithms. Engineered content and AI slop optimized solely for clicks are being prioritized. Early social media was built for connection. The generative AI-fueled attention economy has broken that illusion. Feeds are no longer crowded with people, but with content.

noemamag.com32 min read