Tech Digest: Cool chemistry trick allows new tattoos… & More
Today's top tech stories: Live Science, GitHub, What's new, the Guardian, Pensieve. Real headlines with links and credit to the original authors.
The most talked-about engineering and technology stories of October 12, 2026, collected from official blogs and trusted publishers. Each summary below is the publisher's own description. All credit belongs to the original authors, so please read the full articles at their sources.
Cool chemistry trick allows new tattoos to 'turn on and off'
Source: Live Science
Researchers created multicolored tattoo inks that are activated by different wavelengths of light, allowing people to hide their tattoos in different scenarios.
Read the full article on Live Science →
GitHub - shaongitbd/doory: Open source canva alternative
Source: GitHub
Open source canva alternative. Contribute to shaongitbd/doory development by creating an account on GitHub.
Read the full article on GitHub →
Illustration beyond Proof
Source: What's new
[This is a guest post by Kate Stange and Edmund Harriss. This blog post was initially written in a different file format and converted using AI. — T.] In January a group of mathematicians, hi…
Read the full article on What's new →
Google told to halt work on datacentres in Finland over environmental concerns
Source: the Guardian
Order on two construction sites comes after Google failed to carry out environmental impact assessments
Read the full article on the Guardian →
Pensieve: local code search and MCP context for AI coding agents
Source: Pensieve
Search everything on your Mac by meaning. Give your agents the best context in one search instead of a disk-wide grep. See who owns what, and find knowledge gaps. Free and local.
Read the full article on Pensieve →
Sources & Credits
- Live Science: Cool chemistry trick allows new tattoos to 'turn on and off'
- GitHub: GitHub - shaongitbd/doory: Open source canva alternative
- What's new: Illustration beyond Proof
- the Guardian: Google told to halt work on datacentres in Finland over environmental concerns
- Pensieve: Pensieve: local code search and MCP context for AI coding agents
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