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  1. Page 1: Today’s IndexTLDR, TLDR AI, TLDR Web Dev, TLDR InfoSec, TLDR Crypto · 9 stories
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Daily Edition · Page 1

THE DAILY INDEX

Technology, AI, software, security, crypto and business

Across today’s newsletters

Today’s Index

TLDR

SAMSUNG'S EVENT SPOILED BY MASSIVE LAST-MINUTE LEAK

A reliable leaker has shared a whole bunch of marketing materials for Samsung's Galaxy Unpacked event (which kicks off today at 10 AM ET) containing details and images of the company's upcoming devices. The Z Fold 7 will measure 4.2 millimeters when unfolded and the Z Flip 7 will measure 6.5 millimeters when unfolded. None of the marketing materials highlight an S Pen on the Z Fold 7, suggesting that the device may not support an S Pen at all. The leaked material also contains images and specs for new Galaxy Watches, which have upgraded storage, displays, and batteries.

theverge.com · 2 min

TLDR Web Dev

THINK BEFORE YOU CACHE

There are four key questions to consider when caching: whether caching is the right solution, what should be cached, where to store it, and how/when it should expire. This article discusses various caching approaches in Rails (view/fragment, page, controller/action, object/model, and low-level caching) and different storage options, from in-memory stores like Redis to the new Rails 8 default Solid Cache, which uses database-backed storage optimized for modern SSDs.

sinaptia.dev · 8 min

TLDR

CHINA JUMPS AHEAD IN THE RACE TO ACHIEVE A NEW KIND OF REUSE IN SPACE

China likely completed the first high-altitude attempt at orbital refueling sometime last week. Two of its satellites appeared to dock together in geosynchronous orbit, coming together and then becoming indistinguishable as a single object. Besides refueling satellites in space, the technology could also be used to approach, capture, and disable other satellites. The US Space Force plans to perform the first refueling of a US military asset in orbit as soon as next year.

arstechnica.com · 9 min

TLDR

CRISPR BREAKTHROUGH ALLOWS SCIENTISTS TO EDIT MULTIPLE GENES SIMULTANEOUSLY

Scientists at ETH Zurich have developed a new CRISPR method that can modify dozens of genes simultaneously. It can be used to systematically modify entire gene networks in a single step. The technique uses the lesser-known Cas12a enzyme, which is slightly more precise in its ability to identify targeted genes and can handle shorter RNA molecules compared to the traditional Cas9 enzyme. It enables scientists to explore broad genetic interactions.

newatlas.com · 2 min

TLDR IndexPage 1