The diffraction pattern from just 1 high-resolution hologram can easily use up more than 1 terabyte of data. A moderately flicker-free holographic video would require at least 20 such holograms per second. Clearly, churning through 20 terabytes worth of information every second would require extraterrestrial technology: today’s fastest PCs operate at 0.001% that rate.

• Uncategorized