This arms race in bomb and armor development is fascinating and terrifying at the same time. One place where this is seen very clear is in how armored vehicles (afv, tanks, etc) and their armor develops over time compared to the kind of rounds that is conventional at the time. For example, I was surprised that explosive reactive armor wasn't as efficient by itself nowadays since it's common to use very long, hard, needle-like projectiles that aren't as affected by ERA. Some tanks try to alleviate this by introducing a large void space and distance between layers in which the "needle" will tumble, losing lots of energy. See eg the turret front armor of the strv122 (https://en.wikipedia.org/wiki/Stridsvagn_122). That angled thing is mostly empty air.
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[ 3.0 ms ] story [ 12.5 ms ] threadThis arms race in bomb and armor development is fascinating and terrifying at the same time. One place where this is seen very clear is in how armored vehicles (afv, tanks, etc) and their armor develops over time compared to the kind of rounds that is conventional at the time. For example, I was surprised that explosive reactive armor wasn't as efficient by itself nowadays since it's common to use very long, hard, needle-like projectiles that aren't as affected by ERA. Some tanks try to alleviate this by introducing a large void space and distance between layers in which the "needle" will tumble, losing lots of energy. See eg the turret front armor of the strv122 (https://en.wikipedia.org/wiki/Stridsvagn_122). That angled thing is mostly empty air.