TEA BAG
TASTE BUDS
TANTALUM ELEMENT
SURGICAL MESH
SURFACE OF A SINGLE SYNTHETIC PARTICLE COLONIZED BY WILD MARINE MICROORGANISMS
SUPERNOVAE
SUGAR CRYSTALS ON CARBON
STYROFOAM
STEEL
SPONGE CUSHION
SOAP PARTICLES IN A SAMPLE OF LUBRICATING GREASE
SOAP FILM
SNOWFLAKES
SNOWFLAKE
SNOW CRYSTAL
SILVER CRYSTAL GROWTH BETWEEN ELECTRICAL SOLDER JOINTS