Forget about the bogeyman in the cupboard or the monster under the bed. These creepy crawlies really might be in your house (or nearby, at least), so enjoy these coloured scanning electron micrograph portraits . if you dare.
Cymatic phenomena in 3 dimensions. Figure 54 (top): a mass of kaolin paste is vibrated by sound waves. Figure 55 (bottom): sound waves cause patterning in gaseous media. By Hans Jenny, from his experiments during the