Science

Health
Build an open source DIY powered respirator for less than $100 that's lighter and quieter than commercial PAPRs.
Breathe Breezy With This Low-Cost DIY Powered Respirator
Science
The Brooklyn Evening Star, January 24, 1843: “The world is indebted to this inventor, who is not only American, but an American Lady!”
Remaking History: Sarah Mather and the Aquascope
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Energy & Sust...
Salvage tiny motors from discarded electric toothbrushes and use them for five fun projects!
5 Hacks for Your Discarded Electric Toothbrush
Science
It’s easy to feel like climate change is too big of a problem for makers to tackle; I certainly felt this way.
Hack the Climate: DIY Geoengineering With Big Balloons
Energy & Sust...
Re-create Thomas Savery’s proto-steam engine — the first industrial machine to use fossil energy.
Remaking History: Raise Water Using Fire With Thomas Savery’s “Miner’s Friend̶...
Space
Tweak the Make: Twilight photometer to detect micrometeors and orbital junk 400 miles high.
Amateur Scientist: Detect Cosmic Dust & Space Debris
Fun & Games
Make a science toy that can forecast the weather.
Toy Inventor’s Notebook: Weather Bird
Health
Mobility walkers can be expensive. Build your own personalized, strength-tested version for less.
Walk This Way: DIY Mobility Walker
Energy & Sust...
Give trendy products destined for e-waste a second life.
Harvest Disposable Vape Batteries
Electronics
Over the years I’ve designed many electronic circuits that transform steady (DC) or modulated (AC) beams of light into sound.
Amateur Scientist: Listening to Light
Health
Build your own “Corsi box” air purifiers to battle viruses, wildfire smoke, and indoor air pollution
Corsi Box Air Purifier: Join the Air Movement!
Science
Hunga Tonga-Hunga Ha‘apai is a giant volcano under the South Pacific Ocean, 3,000km (1,860mi) east of Australia.
King of the Ring of Fire
Science
The Scientific Revolution was a momentous time. Most historians of science agree that during this era — 1500 to 1700 CE — people started thinking differently, more scientifically, about the way the world worked.
Christiaan Huygens and the Pendulum Clock
Energy & Sust...
The Solar Bottle Lamp is a solar-powered light that reuses a waste plastic bottle by attaching a 3D-printed solar lamp in place of the old plastic cap.
DIY Solar Bottle Lamp
Space
Print this amazing James Webb Space Telescope model and unfold it like the real thing.
Deep Space Transformer: How I Designed the 3D-Printed James Webb Space Telescope
Space
Going to the Moon and Mars? You’ll need maps. Beautiful maps.
DIY Atlas of Space
Space
Build your own fireball tracker and become a citizen scientist in the Global Meteor Network.
Raspberry Pi Meteor Camera

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