Even more "scary" (if it really works): using reflected microwaves in a windowless room in a similar way: https://www.eetimes.com/document.asp?doc_id=1274746 ht

Even more "scary" (if it really works): using reflected microwaves in a windowless room in a similar way: https://www.eetimes.com/document.asp?doc_id=1274746 https://www.eetimes.com/document.asp?doc_id=1274746