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The researchers’ creation is classified as a ‘biaxial’ liquid crystal because of its two perpendicular axes of alignment.

“Okay, look. The structure is a cylindrical biaxial braid, so it has excellent resilience.”

Designed to withstand beastly abuse, they are manufactured through a process called biaxial rotomolding, similar to how some kayaks are made.

The line bisecting the angle between the optic axes of a biaxial crystal.

A negative biaxial optic figure is seen in convergent polarized light through the cleavage plane m, the axial plane being inclined at about 30� to the edge between m and t.