This summer we fulfilled a life-long dream (at least for some of us) and visited the Arecibo Observatory in Puerto Rico. This is the largest single-dish radiotelescope in the world. The reflector is 305 m (1,000 ft) in diameter – a tad bit larger than our home-brewed radiotelescope. The Arecibo system is a semi-transit telescope
Great Time at US Science & Engineering Festival in Washington DC
We had a fantastic time this weekend at the US Science and Engineering Festival in Washington DC. Among the highlights of our visit, we sat insanely close to the stage for the Q&A with Mythbusters Jamie Hyneman and Adam Savage. We also had the pleasure to meet fellow diy Science authors Theo Gray (Mad Science, The Elements,
SharkVision – A Sensing Suit for the Blind by Hannah Prutchi
SharkVision – A Sensing Suit for the Blind Hannah Prutchi, 8th Grade, Science, VMS, October 2011 Blind people often use canes to avoid obstacles when walking. But, these are intrusive, can only detect obstacles where they are pointed, and could be dangerous to other people. I devised the “SharkVision Suit” to help blind people move
