Earth Science

How-To: Build With Pumice

How-To: Build With Pumice

Interesting off-beat find via kris de kecker’s “No Tech Magazine,” which today linked to WIKI-style and PDF versions of Klaus Grasser and Gernot Minke’s 1990 book “Building With Pumice.” Turns out pumice, a foamy igneous rock, often tan in color and generally known for its ability to float in water…

How-To: Tweeting Geiger Counter

How-To: Tweeting Geiger Counter

Using a Netduino Plus and a Geiger counter kit, Fabien created a tweeting radiation monitor. You can check out the latest readings from the device (which is stationed in Seattle) or read through his detailed build instructions if you’d like to make your own. [via Adafruit] More: DIY Geiger Counters Take Center Stage iGeigie, an […]

NASA Make: Challenge webcast (video)

If you missed yesterday’s webcast about the NASA Make: Challenge, check out the video here. You can also read the chat transcript, full of relevant links. Dale Dougherty chats with experts Kris Kimel, Twyman Clements, and James Kuhl. MAKE is happy to announce that we’re partnering with Teachers in Space and NASA’s Emerging Commercialization Space […]