The cement is called TX Active and the magic ingredient is titanium oxide. When exposed to sunlight, titanium oxide can neutralize some pollutants – basically the toxins are oxidized when they come into contact with the cement. For instance, nitrogen oxide and sulfur oxide gasses are made harmless when they are turned into nitrates or sulfates. Without the catalyst of titanium oxide, the nitrogen and sulfur oxide break down in the atmosphere creating smog and ground level ozone.
From a design perspective, anything that can be made out of concrete is a potential application. Beyond the ubiquitous sidewalks and roads, we could think about using this material in green architecture. Apparently precast building panels or roof tiles are especially suited for such a material. Perhaps most inspired is where the cement meets the source of pollution: Think tunnels and car garages. According to the Environmental Protection Agency stats that 34% of nitrate oxides comes from vehicles on the road.
Last Fall as a pilot project, a two-mile stretch of sidewalk in Chicago was paved with this same cement.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7:30pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Maker Business — Patreon: 4 million patrons, $1 billion in payouts
Wearables — Shake it off
Electronics — Switch Mode Power
Biohacking — Vitamin-C + Gelatin for Accelerated Recovery
Python for Microcontrollers — 200 CircuitPython Libraries, Binho, BLE, and more! #Python #Adafruit #CircuitPython #PythonHardware @circuitpython @micropython @ThePSF @Adafruit
Adafruit IoT Monthly — Machine Learning 101, PWNing the ESP32, and more!
Microsoft MakeCode — Deep Breathing Encouragement with Circuit Playground Express!
No comments yet.
Sorry, the comment form is closed at this time.