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Topic: smartphone
Gitanjali Rao: Finding solutions to real problems
Colorado seventh-grader Gitanjali Rao wants to find solutions to real problems, so when she learned about the water crisis in Flint, Michigan on the news, she wanted to help. From Rookie Mag: After coming across a...
How do our eyes and brains work together?
How does an eye work? How do our brains try to interpret the information our eyes send them? And is seeing really believing? This episode of National Geographic's Decoder explains how our eyes and brains work together...
The Cake Server, a delightfully complex food-themed Rube Goldberg Machine
Rube Goldberg Machines are not only made from a series of imaginative engineering marvels, they're also well-known for being overly complex in comparison to the task achieved. In this intricate machine by Joseph Hersc...
Hunting for microbes in Central Park’s murkiest waters
Follow biologist Sally Warring into New York City's Central Park as she collects water samples from fountains and ponds to find instagrammable microbes. From her site PondLife.com: All free-living life forms are m...
Plastic bottle water wheel power generator experiment
Power plant operator and YouTuber 'Thomas Kim' can charge his iPhone using a stream and a DIY hydro-electric generator made from plastic bottles, some disposable plates, a 3 phase stepping motor, and a rectifier circu...
See Microbes with this DIY Phone Microscope
What tiny creatures are living in the street puddles or pond water where you live? You can discover them for yourself using a smartphone, some poster tack, and a laser pointer. In this episode of Gross Science, Anna R...
The Foldscope – A Paper Microscope that Costs $1
To help make microscopes as accessible and as sturdy as pencils, Stanford University biophysicist Manu Prakash created an ultra-low-cost origami-based microscope. He was inspired by a 2011 visit to a Thailand clinic w...
How to make a DIY ‘drone’ with balloons & a fishing rod
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). S...
Make a 3D “hologram” using your smartphone & a CD jewel case
Create a 3D hologram illusion with your smartphone! This DIY tutorial by Arun Maini, inspired by YouTuber American Hacker, shows us how with the help of an old CD jewel case, some graph paper, a pen, scissors, an x-ac...
Turn your smartphone into a digital microscope for around $10
Turn your smartphone into a digital microscope for around $10: This DIY conversion stand is more than capable of functioning in an actual laboratory setting. With magnification levels as hig...
