51�Թ�

The campaigners say that HS2 is using "huge amounts of high-carbon steel" in the rail project, something they say "will only make the climate emergency worse".

Beginners will see the gray beauty of Damascus steel, used in swords, with squiggly lines like rings of a tree - dark for the high-carbon steel, light for the nickel-based steel, that have been layered together in the forging process.

According to the news outlet, Cibo Tech Laboratories determined that the fragments were made from high-carbon steel and were consistent with a broken pen-knife or utility blade.

The phrase high-carbon steel is basically marketing hype: every steel alloy used to make knives is high-carbon.

The default assassination method remains garroting people with a line of tempered high-carbon steel — unlocking the “piano man” challenge, naturally — and it’s always unpleasant to watch.