The article “Leonardo da Vinci’s Visualization of Gravity as a Form of Acceleration,” published in the aptly named journal Leonardo (peer-reviewed, MIT Press Direct), has gained some fame, as it has appeared in many news articles. The authors claim that Leonardo understood gravity almost as well as Newton, and even suggest that he anticipated Einstein’s equivalence principle. José María González Ondina presents a more likely interpretation, based on Leonardo’s own manuscripts, that negates these incredible claims.
It’s that time of year once again. Giving gifts on December 25, Sir Isaac Newton’s birthday (he’s 366 this year!), has long been a tradition amongst skeptics, so here are a few gems we plucked out of our catalogue that we think your friends and family members will enjoy receiving as gifts (and it’s okay to buy yourself a gift as well!).
The Skeptics Society is having a Holiday Sales Bonanza in celebration of Newtonmas (a tradition amongst skeptics) in recognition of Sir Isaac Newton’s birthday (he’s 365 this year!) on December 25.
In this week’s eSkeptic, three articles explore diverse topics: Leon Jaroff discusses Larry King and the paranormal; Dan Henry recounts his adventure swimming with dolphins; and Michael Shermer rescues a dog.
