David Simpson
David is a private pilot, and began building and flying model airplanes at age 11.
Author of these Magazine Articles
Covert Wireless Listening
Install a sneaky bug in a book.
From MAKE:
16: Spy Tech page 88
G-Meter and Altimeter
Double-duty aerospace instrument on a shoestring budget.
In
DIY: Outdoors
from MAKE:
16: Spy Tech page 141
Explosion Engine
DIY internal combustion using Home Depot parts.
In
DIY: Science
from MAKE:
13: Magic page 160
Hydraulic Flight Simulator
Aviation trainer uses water to represent energy.
In
DIY: Science
from MAKE:
12: Upload page 144
Photographer for these Magazine Articles
Covert Wireless Listening
Install a sneaky bug in a book.
From MAKE:
16: Spy Tech page 88
G-Meter and Altimeter
Double-duty aerospace instrument on a shoestring budget.
In
DIY: Outdoors
from MAKE:
16: Spy Tech page 141
Explosion Engine
DIY internal combustion using Home Depot parts.
In
DIY: Science
from MAKE:
13: Magic page 160
Hydraulic Flight Simulator
Aviation trainer uses water to represent energy.
In
DIY: Science
from MAKE:
12: Upload page 144
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Zombie Attack! -- Zombie Survival Science Fair
Awesome, Ian! Can't wait to see what you come up with! ...
Zombie Attack! -- Zombie Survival Science Fair
Hi, Im Ian and I have been looking in all the make magazines I have for an idea for my grade 9 scien...
Solar Pendulum -- Solar pendulum
Hi Marc,
The circuit is essentially just a switch which is triggered by the current induced when ...
Solar Pendulum -- Solar pendulum
Hi there,
Nice project. Just a couple of questions about this circuit. I'm new to electronics...
The Luna Mod -- Minor typo in the schematic
Thanks for your sharp eyes! We just posted a corrected schematic above....
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