This evening Sony announced its next-generation console, the PlayStation 4 and its accompanying new controller, the DualShock 4. theverge.com
Reconstructing the Chelyabinsk meteor’s path, with Google Earth, YouTube and high-school math
It is also easy to measure — the distance between the two central light poles is 32 meters, as per a quick measurement in Google Earth, while the five lanes of traffic going right to left (west to east) measure 19 meters. From this it is easy to estimate the height of the light poles to be around 12 meters — an estimate corroborated by numerous panoramas in Google Earth showing people next to these lamp posts, giving us added data points. ogleearth.com
i.imgur.comNASA Follows Asteroid Flyby Friday, Feb. 15, 2013
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