Cover photo: Jon C R Bennett / JCRBPhoto
Squishy Tech: Inductive Adornments 70
Send electrical power through the air to light up LEDs
wirelessly.
Smart and Sour 78
Create a monitoring system to get the right rise from
your sourdough starter every time.
Zoom of Doom 84
Build a spooky, real-time video head-in-a-jar for
your haunt.
Servos and Micro:bit 88
It’s easy to connect servomotors and program them in
Make:Code!
Remaking History:
Sarah Mather and the Aquascope 92
Build an underwater viewing scope to inspect boats,
find fish — or spot enemy submarines.
Deep Space Transformer 96
3D print this James Webb Space Telescope model and
unfold it like the real thing.
The Arduino ARM Family 98
Classic Arduinos use AVR processors, now there’s
ARM too — which is right for you?
Amateur Scientist:
How to Become an Amateur Scientist 102
Adventures from a life of DIY electronics, instruments,
and experiments.
Toy Inventor’s Notebook:
Making Fun 108
What if famous artists went beyond the canvas to re-
create your favorite novelty toys?
1+2+3: Plastic Bag Ice Cream 112
Make a batch of this sweet treat with simple
ingredients and a little elbow grease.
SKILL BUILDER
Make That Laser Blaze 114
What are the best DIY upgrades to add to your cheap
K40 laser cutter? We break it down.
Plane Spotting (and More!) 120
Put your spare gear to use as a feeder for community-
based data exchanges.
TOOLBOX
Toolbox 124
Gear up with the latest tools and kits for makers.
THE LAST WORD
Determination 128
The makerspaces aiding the defense of Ukraine.
Jon C R Bennett / JCRBPhoto, Tomás Vega, Eyal Perry, Adam Haar, Abhi Jain, Ivana Hackova, Kevin Webb, Brian Mernoff, Bob Knetzger, Ship Finder / shipfinder.co
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