Roland Piquepaille

Ultra-Light Micro Air Vehicles

CentOS, Linux and Operating Systems (Free subscription) | 07/24/2008

Roland Piquepaille writes “Dutch engineers have built the third generation of the DelFly autonomous air vehicle. The DelFly Micro made its first public flight earlier today in Delft. This micro air vehicle weighs only 3 grams and has a wingspan of 10 centimeters. This very small remote-controlled aircraft carries a 0.4 gram camera. The DelFly [...]

• Ultra-Light Micro Air Vehicle of 3 gram - Madshrimps Forum Madness
• Dutch researchers take flight with three-gram 'dragonfly' - Physorg
• See the 5 articles on the same subject

Ultra-light Micro Air Vehicles

TechBlogger (Free subscription) | 07/24/2008

Roland Piquepaille writes “Dutch engineers have built the third generation of the DelFly autonomous air vehicle. The DelFly Micro made its first public flight earlier today in Delft. This micro air vehicle weighs only 3 grams and has a wingspan of 10 centimeters. This very small remote-controlled aircraft carries a 0.4 gram camera. The DelFly [...]

The First Paper-Based Transistors

CentOS, Linux and Operating Systems (Free subscription) | 07/23/2008

Roland Piquepaille found news of research out of Portugal that has resulted in the first paper-based transistors (the original article is less informative than Roland’s blog). More precisely, they’ve made the first field effect transistors (FET) with a paper interstrate layer. According to the research team, such transistors offer the same level of performance as [...]

• Portuguese team makes first paper based transistor - Physorg
• First paper-based transistors - ZD Net

Making Strides Toward Low-Cost LED Lighting

CentOS, Linux and Operating Systems (Free subscription) | 07/21/2008

Roland Piquepaille writes “You all know that incandescent bulbs are pretty inefficient, converting only 10% of electricity into light — and 90% into heat. Light-emitting diodes, or LEDs, could soon replace incandescent and compact fluorescent bulbs in our homes. They are more efficient and environmentally friendly. But LED lights are currently too expensive because they [...]

• Making Strides Toward Low-Cost LED Lighting - TechBlogger
• Towards low-cost LED lighting - ZD Net Blog

Making Strides Toward Low-Cost LED Lighting

TechBlogger (Free subscription) | 07/20/2008

Roland Piquepaille writes “You all know that incandescent bulbs are pretty inefficient, converting only 10% of electricity into light — and 90% into heat. Light-emitting diodes, or LEDs, could soon replace incandescent and compact fluorescent bulbs in our homes. They are more efficient and environmentally friendly. But LED lights are currently too expensive because they [...]