Which visual effect results when sunlight reflects across Byzantine tesserae?

💡 Explanation

Total internal reflection within the glass enhances brilliance, because light becomes trapped and re-emitted. Therefore, mosaics shimmer intensely rather than appearing matte, because the high refractive index gives this effect.

• Which limitation increased for mariners using astrolabes on long sea voyages?
• Which process improvement resulted during the Han Dynasty when early bloomeries struggled with iron implements?
• Which navigational error increases when using a corroded brass astrolabe at sea?
• Which mechanism allowed Mughal garden water systems to function despite variations in surface elevations?
• Which risk increased for navigators using a metal-framed sextant in high-latitude, cold environments?
• Which structural response to ground settlement was implemented in Pisa's leaning tower construction?