#RFB-11000527Reading: Fill in the BlanksAcademic,CoreMedium
Trinitite
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The [blank] heat and pressure of the first atomic bomb test, in 1945, left [blank] a glassy substance known as trinitite and something even stranger. Within the trinitite, scientists discovered, it is a rare form of matter called a quasicrystal. Quasicrystals have an [blank] structure like a normal crystal, but that structure doesn't repeat. [blank] , these crystals had been found only in meteorites or made in the lab.
Sample Answer & Audio Transcript
The intense heat and pressure of the first atomic bomb test, in 1945, left behind a glassy substance known as trinitite and something even stranger. Within the trinitite, scientists discovered, it is a rare form of matter called a quasicrystal. Quasicrystals have an orderly structure like a normal crystal, but that structure doesn't repeat. Previously , these crystals had been found only in meteorites or made in the lab.
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