Bunch Boslough It is telling to read competing journal articles regarding the Younger Dryas Boundary Event. For example below is the recent paper from The Bos, et al., and below that a publication from the YDB team the year before. (I was added as an author to that one based on some field work […]
Eye Candy Earlier this week I purchased a wonderful device, the 3D Space Navigator Mouse from 3D Connexion. I am giving this cool tool Two Tusks Up and encourage any reader who works with 3D or Google Earth to purchase one post-haste. This sturdy little brick of a mouse has a foating head which […]
What’s up? From Hermann Burchard: George, here is a simple model to explain the vapor trail’s observed symmetry: Partial cloudlets each side, North & South, have almost identical ones opposite. 1. The Bos’ blowtorch momentum sims and video blow-ups from Steve Garcia’s posts indicate that the explosive ablations shoot debris ahead in the direction […]
Cooper? Debunked: Not to be taken seriously. The first thing I noticed was a schoolboy blunder in celestial mechanics: you don’t add velocities in the way that he did, you add energies, that’s to say the squares of the velocities. If an asteroid with an asymptotic approach speed of 5.6 km/s is going to […]
Two posts ago the Tusk provided some desperately needed oxygen to Marie-Agnes Courty’s work concluding the collapse of the Akkadian Empire in Mesopotamia around 2000 BC was the result of cosmic bombardment — not a volcano. Like the skeptics of the YDB group, Courty’s critics have long sought to bury the living, while shooing the rest […]
Cosmic Airbursts – Impacts Leave High Temperature Melt Products at Younger Dryas Download the PDF file .
1998 Article 2007 Abstract 2012 AGU, San Francisco: Formation of vitrous char that occur in ancient charcoal assemblages have remained unsolved. Laboratory experiments refuted vitrification to resulting from high temperature charring of green or resinous wood. This puzzling problem has been refreshed by showing the association to the charcoal and vitrous char […]
One of the most intense debates in the paleosciences in recent years has focused on the question of whether or not a cosmic impact (comet) approximately 12,900 years ago caused both the Younger Dryas climatic oscillation and the disappearance of Pleistocene megaauna in North America. Since it was frst advanced in print by Firestone […]