Protractinium is highly radioactive and extremely toxic,
so even though its oxides and other chemical compounds have a variety of colors and crystal structures,
you won’t see it advertised in tomorrow’s dinnerware or playthings,
although it might well be there.
Protractinium is highly radioactive and extremely toxic, so even though its oxides and other chemical compounds have a variety of colors and crystal structures, you won’t see it advertised in tomorrow’s dinnerware or playthings, although it might well be there.
See also in The book of science:
Readings on wikipedia:
Other readings: