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Yearly Archives: 2012
Last Moments of Blue Jay 3
After a number of previous successful test flights, Blue Jay 3 careened out of control with 1.75kg of payload, its wing snapped mid-flight, and it crashed into the ground at relatively high speed, splintering and cracking the fuselage. Fortunately, it … Continue reading
Posted in Photography Tagged 2012-04-07, DBF, Design Build Fly, JHU, Johns Hopkins, photography Leave a comment
Blossoms in Baltimore
Due to the unseasonably warm weather this year, the trees are blossoming in March here in Baltimore. Flickr
Posted in Photography Tagged Baltimore, blossoms, JHU, Johns Hopkins, photography, Spring Leave a comment
Snow
A good six inches of snow fell here today. The birds and squirrels were still out, however. It was quite enjoyable watching the squirrels as they leaped and dug through the snow in search of food, freshly buried under a … Continue reading
Canon PowerShot SD400 Infrared Cut-off Filter Removal
Silicon, in the form of a digital camera image sensor, is sensitive to near-infrared light. However, digital cameras use a cut-off filter to block these wavelengths. Removing this filter makes the camera sensitive to near-infrared, and replacing it with a … Continue reading
2012
Happy New Year!