This almost antique Crookes radiometer shows how the photons from the sun can move objects!
{"Image Make": "Apple", "Image Model": "iPhone 5s", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "8.4", "Image DateTime": "2015:07:09 00:20:02", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "186", "GPS GPSLatitudeRef": "N", "GPS GPSLatitude": "[51, 59, 4511/100]", "GPS GPSLongitudeRef": "W", "GPS GPSLongitude": "[0, 43, 2009/50]", "GPS GPSAltitudeRef": "0", "GPS GPSAltitude": "19355/264", "GPS GPSTimeStamp": "[23, 19, 39]", "GPS GPSSpeedRef": "K", "GPS GPSSpeed": "0", "GPS GPSImgDirectionRef": "T", "GPS GPSImgDirection": "29539/188", "GPS GPSDestBearingRef": "T", "GPS GPSDestBearing": "63379/188", "GPS GPSDate": "2015:07:08", "Image GPSInfo": "1602", "EXIF ExposureTime": "1/28", "EXIF FNumber": "11/5", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "32", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2015:07:09 00:20:02", "EXIF DateTimeDigitized": "2015:07:09 00:20:02", "EXIF ComponentsConfiguration": "YCbCr", "EXIF ShutterSpeedValue": "5908/1231", "EXIF ApertureValue": "7801/3429", "EXIF BrightnessValue": "4979/1350", "EXIF ExposureBiasValue": "0", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash fired, compulsory flash mode", "EXIF FocalLength": "83/20", "EXIF SubjectArea": "[1635, 1224, 1795, 1075]", "EXIF SubSecTimeOriginal": "204", "EXIF SubSecTimeDigitized": "204", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "2448", "EXIF ExifImageLength": "3264", "EXIF SensingMethod": "One-chip color area", "EXIF SceneType": "Directly Photographed", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "102/35", "EXIF FocalLengthIn35mmFilm": "84", "EXIF SceneCaptureType": "Standard", "EXIF LensSpecification": "[83/20, 83/20, 11/5, 11/5]", "EXIF LensMake": "Apple", "EXIF LensModel": "iPhone 5s back camera 4.15mm f/2.2", "EXIF OffsetSchema": "12"}