How do you get a bird’s eye view of the surrounding landscape when you don’t have an quadcopter or drone? In this episode of Earth Unplugged, Sam Hume cobbles together his own ‘drone’ for less then £50 (around $76). Sometimes all you need are some balloons, a fishing rod, and a homemade crash rig (or two) for your smart phone or GoPro:

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If you want to make one of the rigs, or one of your own invention, remember: One liter of helium can lift 1.03 grams, or around 0.036 ounces.

Related reading: How many regular-sized helium-filled balloons would it take to lift someone? and How much lift does helium have?

Related watching: Recreating the balloon house from Pixar’s Up, and more smartphone DIY.

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