Carboniferous Fossil Plant - 5.59" Lepidodendron 30sept2023sale Kapton foil is very light

Kapton foil is very light and can easily escape

The Plutonium produced here was used in both the Trinity test on July 16

metallic oxides migrated through the porous material

recovered from the Skull Creek Quarry in Colorado

The Manhattan Project Shield window also appears in the Large and Touch versions of the Fourth Edition of the Mini Museum

Carboniferous Fossil Plant - 5.59" Lepidodendron 30sept2023sale Kapton foil is very light300,000,000 years ago, in the Carboniferous period, Earth was a dense tropical jungle. Lush forests were home to all manner of prehistoric creatures and swampy landscapes covered the surface. We know of this incredible time thanks to the fossil imprints left behind by plants that were preserved for millions of years. This specimen is a 5. 59" fossil root from the genus Lepidodendron which was recovered from a coal bed in Kentucky. Mining sites like