Chumbak Mani, described in Brihad Vaimanika Sastra by Maharshi Bhardwaja around 4000 BCE, was ancient land mine detector, which emits electrical signals to find hidden arsenal inside ground, while flying or moving above. Bharadwaj, was father of … Read more
Adi Sankaracharya (509 – 477 BCE) has used ‘Upanetra‘, which were eyeglasses used to achieve magnification effect. In his work ‘Aparokshanubhuti‘ (Direct Experience), 81st verse, Sankara states : ‘Just as all objects that are very small appear … Read more
Ancient alarm clock used by the Egyptians was made by a greek engineer, physicist and mathematician Ctesibius (285–222 BCE) who lived in Alexandria, Ptolemaic Egypt. But, Plato (428–348 BCE), a greek philosopher constructed his own version of … Read more
Archaeologists have discovered remains of ancient air conditioning system in a 7th century structure on Failaka, a Kuwaiti island in the Persian Gulf. It is a unique so-called windcatch-tower, utilising an ingenious interior cooling system based on … Read more
Valmiki has mentioned the word ‘Vimana‘ atleast 19 times in his epic poem Ramayana. Sita mentioned 3 different types of Vimanas in Ramayana (Ayodhya Kanda, 27 Sarga), where she wishes to follow her husband to forest exile. … Read more
An Ancient Greek Gravestone made by an unknown artist, which dates to 100 BC shows a device which looks like a laptop with 2 USB ports. The gravestone describes a large woman sitting on a chair, in … Read more