#invention

Ana Jackson
The #process of #marking the #metals dates back to the #invention of CO2 #lasers in the year 1964. Although it was an old #technique, today it has been improved with the help of various #metal marking... View More
WorkNomic
One scientific invention can change the world, and on the day that pays an ode to science, we wish every curious mind out there an innovative, inventive and exciting. Happy National Science Day!! #hap... View More
UttarAnand
Appsinvo
National Science Day is being celebrated every year to widely spread a message about the significance of scientific applications in the daily life of the people. Happy National Science Day!! #happynat... View More
Load More