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In this black and white photo, taken just after detonation, the bomb's shockwave is beginning to bulge out and deform from its initial spherical shape. The mooring cables that supported the bomb atop its testing tower are brightly vaporizing. This "rope trick effect" races down the length of the cable, outpacing the shockwave and giving the appearance of fiery tendrils or spikes emanating from the blast.

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In this black and white photo, taken just after detonation, the bomb's shockwave is beginning to bulge out and deform from its initial spherical shape. The mooring cables that supported the bomb atop its testing tower are brightly vaporizing. This "rope trick effect" races down the length of the cable, outpacing the shockwave and giving the appearance of fiery tendrils or spikes emanating from the blast.
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Robert McNees (mcnees@mastodon.social)'s status on Thursday, 06-Apr-2023 15:42:19 UTC Robert McNees
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In these tests, the bomb sat at the top of a support tower and was held in place by steel mooring cables. (You can see the tower if you zoom in.)
Those glowing protrusions are the cables vaporizing. This phenomenon is known as the “rope trick effect.”
Image: Public Domain

In conversation Thursday, 06-Apr-2023 15:42:19 UTC from mastodon.social permalink