Solid-body trajectoids shaped to roll along desired pathways

Simultaneous and independent topological control of identical microparticles in non-periodic energy landscapes

Compact Shape Morphing Tensegrity Robots Capable of Locomotion

a) Prototyped SSMMs (SSMM I and SSMM II). (b) Rolling motions of SSMM

Department of Polymer Science and Engineering

Solid-body trajectoids shaped to roll along desired pathways

Thom Group Wiki

Solid-body trajectoids shaped to roll along desired pathways”

Solid-body trajectoids shaped to roll along desired pathways

Trajectoids Trace A Predefined Path - Asian Scientist Magazine

Earth's inner core - Wikipedia

The Importance Of Solid Core Training For Sprinters

Solid Shapes Geometry Unit {Common Core} by Mrs. Ricca's Kindergarten

Scientists have discovered a solid metal ball inside Earth's core

Earth's core is solid but slightly 'squishier' than first thought