Every third day it spewed out soot balls that left black smears wherever they fell.

aggerations of sand

At the site of Sampul (or Shanpula), near the southwestern Tarim Basin oasis of Luopu, a Saka grave has yielded a piece of woven woolen cloth [Fig. 2] that shows Hellenistic and Persian inspiration in the depictions of a centaur and a lance-bearing warrior (Xinjiang weiwu'er 2001).

The advantage of transverse magnetic polarization, however, is the possibility of exploiting surface plasmons for waveguiding.