Amorphous Steel
pfdietz writes "Researchers at Oak Ridge have achieved a holy grail of materials science: they have figured out how to produce amorphous (glassy) steel. The material is reported to be twice as hard and have twice the tensile strength of the strongest ultra-high tensile strength steel alloy."
That should be more or less correct. If it's like other amorphous things though it should be harder, right up until you reach the point of catastrophic failure where it will shatter.
This could be good news to the Navy, especially in application to submarines. Using this metal they should be able to achieve the same hull strength with less material. That leaves more room to stuff electronics on the inside. This may also help subs go deeper/stay there longer.