how to build a simple steam engine at home
{"Image Make": "Canon", "Image Model": "Canon PowerShot A70", "Image Orientation": "Horizontal (normal)", "Image XResolution": "96", "Image YResolution": "96", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Elements 4.0 Windows", "Image DateTime": "2009:04:15 09:51:41", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "236", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1078", "Thumbnail JPEGInterchangeFormatLength": "4647", "EXIF ExposureTime": "1/1000", "EXIF FNumber": "7/2", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2009:04:14 20:36:14", "EXIF DateTimeDigitized": "2009:04:14 20:36:14", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "3", "EXIF ShutterSpeedValue": "319/32", "EXIF ApertureValue": "29/8", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "95/32", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "173/32", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "384", "EXIF ExifImageLength": "576", "EXIF FocalPlaneXResolution": "128000/13", "EXIF FocalPlaneYResolution": "128000/13", "EXIF FocalPlaneResolutionUnit": "2", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Manual", "EXIF DigitalZoomRatio": "1", "EXIF SceneCaptureType": "Standard"}