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| Name | The metre |
| Video Uploader | Video From National Physical Laboratory |
| Upload Date | This Video Uploaded At 06-10-2010 09:47:33 |
| Video Discription | The metre is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second. For more information: http://www.npl.co.uk/reference/measurement-units/si-base-units/the-metre-(m) Produced in association with the Open University. |
| Category | Science & Technology |
| Tags | si | metre | base unit | science | npl | open university |
