Caltech engineer Mory Gharib was poring over the digitized notebooks of Leonardo da Vinci one day, looking for sketches of flow visualization to share with his graduate students for inspiration. That’s when he noticed several small sketches of triangles, whose geometry seemed to be determined by grains of sand poured out from a jar. Further investigation revealed that Leonardo was attempting to study the nature of gravity, and the little triangles were his attempt to draw an equivalence between gravity and acceleration—well before Isaac Newton came up with his laws of motion, and centuries before Albert Einstein would demonstrate the equivalence principle with his general theory of relativity. [Edited for clarity.] Gharib was even able to re-create a modern version of the experiment.

Gharib and his collaborators described their discovery in a new paper published in the journal Leonardo, noting that, by modern calculations, Leonardo’s model produced a value for the gravitational constant (G) to around 97 percent accuracy. What makes this finding even more astonishing is that Leonardo did all this without a means of accurate timekeeping and without the benefit of calculus, which Newton invented in order to develop his laws of motion and universal gravitation in the 1660s.

“We don’t know if [Leonardo] did further experiments or probed this question more deeply,” Gharib said. “But the fact that he was grappling with the problems in this way—in the early 1500s—demonstrates just how far ahead his thinking was.”

Have you ever thought about what the world will look like in the future? and the type of technology that we will have? The technology that’s created is very fascinating. Comment your thought on this and please share.

If you like this video check out.

👉 Have They Discovered Earth 2?
https://youtu.be/gZMaGB8PSZw.

👉 What Will 2030 Look Like? ***Amazing***

Discover how a binary pair of T Tauri stars created a giant bubble in the Barnard 18 molecular cloud. Learn about the significant impact of these young stars on their surroundings, read on now!

Personal visual development based on the novel “Rendezvous with Rama”, written by Arthur C. Clarke.
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In 2011, scientists found something unexpected hiding beneath the Amazon. There, 4,000 meters (13,100 feet) beneath the earth was an enormous body of water almost long enough to rival the Amazon and much wider.

River Hamza, as Brazil’s National Observatory unofficially named the beast, acts like drainage for the region and was discovered after Petrobras (an oil company) drilled hundreds of wells. They were drilled back in the 70s and 80s, but when scientists later took a look inside they discovered the monstrous waterway that was hiding underneath. It was after the leader of this team of researchers that the underground waterway was named.

It begins under the Andes in the Acre region and winds its way on through to the Solimões, Amazonas and Marajó basins before slipping out unseen into the Atlantic Ocean. The flowing river Amazon speeds along at around 5 meters (16 feet) per second. By comparison, the painfully slow-trickling Hamza moves along at a casual 1 millimeter (0.04 inches) per hour, writes The Guardian.