Explore by topic, question, or idea. Find articles, reflections, videos, puzzles, and curiosity pathways gathered across the site.
Press Enter or select Search. A newly typed query starts globally; filters are applied only through the visible rail.
1 result for “pencil making”
- The Perpetually Curious! › Canonical › Environment & SustainabilityArticle
🌿 Liquid Trees: Microalgae Photobioreactors and the Quiet Art of Urban Breathing
From section: 🏙️ Public liquid trees: one biological idea, different urban forms… Installed outside the Municipality of Stari Grad in 2021, it contains about 159 gallons (600 liters) of water and microalgae. Its low, bench-like form incorporates photovoltaic power and a charging point for mobile devices, making the installation part photobioreactor and part street furniture. …