Experimental Observations of Nuclear Activity in Deuterated Materials Subjected to a Low-Energy Photon Beam
https://arxiv.org/pdf/1704.00694.pdf
Hafnium Metal 10 Grams 99.95% for Element Collection USA SHIPPING | eBay
https://www.ebay.co.uk/itm/Hafnium-Metal-10-Grams-99-95-for-Element-Collection-USA-SHIPPING/264966089553
The Romans Called it ‘Alexandrian Glass.’ Where Was It Really From? - The New York Times
https://www.nytimes.com/2020/07/31/science/alexandrian-glass-rome.html