Carbon Nanotubes were discovered independently in 1991 as per Wikipedia. Will you believe it was used 2,600 years ago by ancient civilization? Yes, it was unearthed in Keeladi Excavation site. How many…
NASA has released this thrilling footage of its rover landing in Mars' Jezero Crater on Feb. 18, 2021. The real footage in this video was captured by several cameras that…