Science

The latest DIY ideas, experiments and demonstrations in the science of space, medicine, health and energy.

Plan CO2 – A Thing or Two About Monitoring CO2

Plan CO2 – A Thing or Two About Monitoring CO2

Tim Dye of TD Environmental Services is a leading expert in air quality sensors. He knows a thing or two about CO2. When I first started thinking about how we might use CO2 to measure the proper ventilation of indoor spaces, I thought of Tim and his work on air quality monitors.

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Plan CO2: Making A Public Display

Plan CO2: Making A Public Display

When I saw the big emoji (old school – smiley) on Carter Nelson’s RGB Matrix Portal Room CO2 Monitor project on Adafruit, I knew he was on to something. I wished that I would begin seeing more such displays in places like restaurants and shops, not to mention school classrooms, offices and makerspaces in the coming months. In Carter’s Adafruit project, the CO2 monitoring device presents a concise public-health message.

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Reuse Hollow-core Doors To Make Plywood and More

Reuse Hollow-core Doors To Make Plywood and More

Reusing isn’t new, but items deliberately made from reclaimed materials have become statement pieces. The “upcycling” movement and rising interest in eco-conscious wares has given value to the valueless. Decrepit and dangerous barns once left to decompose are now painstakingly picked for profit. Even shipping pallets have earned a place as sought-after sources of wood. […]

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This Copper Electroforming Kit Is Just Cool

This Copper Electroforming Kit Is Just Cool

      Copper Electroforming Kit $155–$250  enchantedleaves.com Electroforming with this kit is just cool! It feels like equal parts science and magic, combining chemistry and electricity and the decorative arts to transform pretty much any small design into copper metal. In my case, it’s also a fun learn-at-home activity that can satisfy both my robot-building son […]

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NASA’S Latest Rover Prototype Transforms To Rappel Down Steep Cliff Faces

NASA’S Latest Rover Prototype Transforms To Rappel Down Steep Cliff Faces

Exploring distant planets such as Mars is an incredibly daunting task. We’ve seen, through experience, that even something as simple as traversing the landscape to collect data can present insurmountable challenges to our rovers. To that end, NASA and others are constantly innovating ways to be able to explore more of these surfaces. NASA JPL […]

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The Pandemic-inspired Case for an Open-Source Medical Hardware Ecosystem

The Pandemic-inspired Case for an Open-Source Medical Hardware Ecosystem

The pandemic has been horrible; but it has created beautiful human stories. One such story recounts tens of thousands of persons self-organizing into unpaid teams to address the pandemic by successfully making and distributing personal protective equipment (PPE)

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Fix Our Planet, Part 4: Reinventing a Material World

Fix Our Planet, Part 4: Reinventing a Material World

We need new tricks — quick — to decarbonize our stuff and the ways we manufacture it.

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