Published On Oct 11, 2018
នៅក្នុងនាទីប្រវត្តិសាស្រ្តពិភពលោករបស់វិទ្យុបារាំងអន្តរជាតិ នៅសប្តាហ៍នេះ សេង ឌីណា សូមបន្តរៀបរាប់អំពីប្រវត្តិរបស់លោក អាឡិចសាន់ដ័រ ហ្ក្រាហាំ ប៊ែល (Alexander Graham Bell) តទៅទៀត ដោយសូមលើកឡើង អំពីស្នាដៃដ៏សំខាន់របស់លោក គឺការបង្កើតប្រព័ន្ធទូរស័ព្ទ។
Alexander Graham Bell was a Scottish-born scientist, inventor, engineer, and innovator who is credited with inventing and patenting the first practical telephone. He also founded the American Telephone and Telegraph Company in 1885. Wikipedia
Born: March 3, 1847, Edinburgh, United Kingdom
Died: August 2, 1922, Beinn Bhreagh
Cause of death: Complications from diabetes
Spouse: Mabel Gardiner Hubbard (m. 1877–1922)
Inventions: Telephones, Photophone, Hydrofoil, Audiometer, Metal Detectors, HD-4, Tetrahedral kite