DNA: When the stethoscope was invented in 1781
This segment of DNA brings you information related to today's history.
Feb 17, 2023, 23:48 PM ISTIsraeli researchers create world's first water-wave laser
The first ‘water-wave laser’ that has been created emits a beam through the interaction of light and water waves, and may be used in ‘lab-on-a-chip’ devices to study cell biology and test new drug therapies.
Dec 02, 2016, 02:05 AM IST