Adrian Covert
More from Adrian Covert
![As Your Children Grow, So Does Kilobike](https://www.popsci.com/wp-content/uploads/2019/03/18/PVXHTFV2CHFTAPMAOW2J6LLGXI.jpg?w=468)
Gear
As Your Children Grow, So Does Kilobike As Your Children Grow, So Does Kilobike
September 4, 2009
![Air-Driven Microprocessor Runs on Hand-Pumped Power](https://www.popsci.com/wp-content/uploads/2019/03/18/T24ERY3LGJY5IE5PC5PKPJ2UMI.jpg?w=594)
Technology
Air-Driven Microprocessor Runs on Hand-Pumped Power Air-Driven Microprocessor Runs on Hand-Pumped Power
September 4, 2009
Hybrid Cars
Your Hybrid Car Is Hogging All the Rare Earth Metals Your Hybrid Car Is Hogging All the Rare Earth Metals
September 2, 2009