24

I did some checking, and I came up with a few possibilities. Inertron The first one I found is called Inertron, which is described on Wikipedia as the "the hardest, densest substance in the DC universe." Supermanium Another choice would be "Supermanium", which is apparently the substance used to craft Superman's Supermobile aircraft. It apparently is ...


11

It's just two "viscous fluids". No further scientific explanation is offered in any of the comics (or supplementary materials) regarding the composition of the material or liquid involved. RORSCHACH: Rorschach is the replacement for The Question, and draws his name from the famous psychiatrist's blot-test. While he wears an assortment of street ...


6

This sounds like Juanita Coulson's novel Outward Bound, the second of her Children of the Stars series, which series may have been asked about here before at: 1980s sci-fi book club trilogy about a rich, space-faring multi-generational family (See that answer for a shot of the cover of the first book.) Here's a brief synopsis from the goodreads.com review:...


6

I think that Supermanium was forged out of the heart of a star by Superman himself. So it would seem that the temperature required to melt it would be at least the same temperature. And I found this quote on Reddit: "According to "The Might and the Power of a Punch" special feature available on iTunes, Vudu, or disc, when Superman destroys Batman's ...


5

Promethium, in its depleted form, forms a nearly indestructible metal when alloyed with titanium and vanadium. The pre-Rebirth Cyborg (Victor Stone)'s robot parts were made of depleted Promethium alloy. That may no longer me the case now - his armor now contains Apokoliptian / Mother Box technology that may even exceed that metal's strength.


5

The concept and original use of Adamant / Adamantine to mean a super strong or indestructible metal material comes from Ancient Greek Mythology. From Wikipedia: In Greek Mythology, Kronos castrated his father Uranus using an adamant sickle given to him by his mother Gaia.[2] An adamantine sickle or sword was also used by the hero Perseus to ...


4

I'm not aware of an explicit explanation for why Grievous was not fitted with lightsaber-resistant armor. The people who designed his armor might not have thought about adding a lightsaber-resistant material since they did an exceptionally poor job. Not only did they neglect to give him lightsaber-resistant armor, but they made it easy enough for Obi-Wan to ...


3

If you look at the next line in the SCP wiki it states: Documented speeds have varied from thirty-five (35) km/h to ███ km/h, and seems to depend on distance from SCP-096-1. At this point, no known material or method can impede SCP-096's progress. The actual position of SCP-096-1 does not seem to affect SCP-096's response; it seems to have an innate sense ...


3

1941: This is from "Devil's Powder" by Malcolm Jameson, a short story in his Bullard series, originally published in Astounding Science-Fiction, June 1941, available at the Internet Archive. Probably not exactly what you're looking for, but at least it shows that the use of the word "adamantium" as the name of a science-fictional super-metal goes way back: ...


2

Poul Anderson's Call Me Joe (1957) includes a reference to a level on Jupiter "where water ids a heavy mineral and Hydrogen is a metal". The speaker is told that Hydrogen is still a gas where Joe lives, and that the metallic phase is lower down.


1

In addition to the answer from Null there is one more reason. Palpatine never wanted Grievous to finally succeed. Thus he needed him strong. Very strong. But NOT strong enough to be able to pose a threat to himself when it was time to dispose of Grievous. So giving him more of a chance to resist a superb force user (who as we saw could easily go against 4 ...


Only top voted, non community-wiki answers of a minimum length are eligible