ms chemist analyzing blue liquid in pharmaceutical laboratory / auckland, new zealand - 燒杯 個影片檔及 b 捲影像00:06
cu chemist analyzing blue liquid in pharmaceutical laboratory / auckland, new zealand - 燒杯 個影片檔及 b 捲影像00:08
theresa may announces proposed ban on range of plastic products; england: london: ext / sunnypedestrians along with cold drinks - sucked through... - 燒杯 個影片檔及 b 捲影像01:06
mad scientist with electrodes attached to forehead shocking himself / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:17觸電
mad scientist examining test tubes with magnifying glass in laboratory / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:15
nervous mad scientist mixing liquid in laboratory / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:19
high angle view of mad science mixing liquids then celebrating / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:17
nervous mad scientist mixing liquid in laboratory / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:16
high angle view of mad scientist connecting electrical cords and shocking himself / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:14觸電
mad scientist drinking liquid in laboratory then screaming / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:16
high angle view of mad scientist drinking liquid in laboratory then laughing / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:19
mad scientist drinking liquid in laboratory then laughing / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:22
high angle view of mad scientist drinking liquid in laboratory then choking / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:14
mad scientist drinking liquid in laboratory then choking / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:19
high angle view of mad scientist injecting liquid into beaker with syringe / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:22
laughing mad scientist mixing liquid in laboratory / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:12
mad scientist connecting electrical cords and shocking himself / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:13
mad scientist mixing substance with liquid in laboratory / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:14
mad scientist listening to electrodes attached to forehead with stethoscope / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:16聽診器
mad scientist mixing liquid in laboratory then checking syringe / cedar hills, utah, united states - 燒杯 個影片檔及 b 捲影像00:16
cu scientist arranging vials and test tubes for chemistry experiment, boxmeer, netherlands - 燒杯 個影片檔及 b 捲影像00:20
cu scientist adjusting vials and test tubes set up for chemistry experiment, boxmeer, netherlands - 燒杯 個影片檔及 b 捲影像00:11
ms scientist adjusting vials and test tubes set up for chemistry experiment, boxmeer, netherlands - 燒杯 個影片檔及 b 捲影像00:10
ms scientist adjusting vials and test tubes set up for chemistry experiment, boxmeer, netherlands - 燒杯 個影片檔及 b 捲影像00:47
girl pouring clear blue solution into beaker in science class / looking up at camera and smiling / gorham, maine - 燒杯 個影片檔及 b 捲影像00:14
girl pouring clear blue solution into test tube in science class / holding tube up / gorham, maine - 燒杯 個影片檔及 b 捲影像00:19
girl pouring clear blue solution into test tube in science class / holding test tube up / pouring solution back into beaker / gorham, maine - 燒杯 個影片檔及 b 捲影像00:47
teacher pouring clear blue solution into test tube as students watch in wonder / teacher and students passing tube around / gorham, maine - 燒杯 個影片檔及 b 捲影像00:47
teacher pouring clear blue solution into test tube as students watch / holding test tube up for astonished students / gorham, maine - 燒杯 個影片檔及 b 捲影像00:15
professor stephen hawking dies aged 76; england: hertfordshire: st albans:intdr rob tanner in class room with students panhands pouring liquid from... - 燒杯 個影片檔及 b 捲影像00:42
