Month: November 2006

Exergia’s new energy shop kits

Exergia’s new energy shop kits

Exergia has a ton of great kits… – “Sophisticated demonstration models of alternative energy technologies for universities, schools and interested individuals: Stirling Engines and steam engines, fuel cells, photovoltaic objects, toys and more! Discover extraordinary ideas in energy related devices: Educational devices inspired by old and new concepts to demonstrate the physical principles of conventional […]

Craftsanity podcasts

We love Jennifer Ackerman-Hayward’s Craftsanity podcasts and this week she talks to Weeks Ringle about quilting and her business, Fun Quilts. Weeks has also designed more than 100 fabrics for Free Spirit and contributes to the Whip Up blog. There’s also a free quilting pattern (PDF) of hers available called “Between the Lines”. So grab […]

HOW TO – Luxeon LED caving lamps

HOW TO – Luxeon LED caving lamps

Wow, this is a really nice design… – “Speleogroup is experimenting with circuits for driving high-power LED devices, such as the White LED Luxeon Star from Lumileds ». This device is rated at approximately one watt, giving typically 18 lumens at its rated current of 350mA. Their high dome Amber Luxeon star gives 36 lumens […]