crowdfunding

Captain Disillusion debunks the Cicret Bracelet, a crowdfunded wearable that claimed to project a touchscreen onto the wrist. He looks at the concept, design, execution and fundraising.

Thunderf00t debunks the Fontus self-filling water bottle, arguing that pulling meaningful amounts of water from air with a small solar-powered device is thermodynamically impractical.

Dave Jones of EEVblog debunks the Solar Roadways project, which raised millions through Indiegogo and government funding. He works through the solar generation and LED power calculations to show the idea isn't viable.

Thunderf00t debunks the Waterseer, a crowdfunded device that claims to condense drinking water from the air using cool ground. He argues the physics does not support its claims.