Page:A princess of Mars.djvu/154

A PRINCESS OF MARS make their terrible projectiles. You know that these have to be manufactured by artificial light, as exposure to sunlight always results in an explosion. You have noticed that their bullets explode when they strike an object? Well, the opaque, outer coating is broken by the impact, exposing a glass cylinder, almost solid, in the forward end of which is a minute particle of radium powder. The moment the sunlight, even though diffused, strikes this powder it explodes with a violence which nothing can withstand. If you ever witness a night battle you will note the absence of these explosions, while the morning following the battle will be filled at sunrise with the sharp detonations of exploding missiles fired the preceding night. As a rule, however, non-exploding projectiles are used at night."

While I was much interested in Dejah Thoris' explanation of this wonderful adjunct to Martian warfare, I was more concerned by the immediate problem of their treatment of her. That they were keeping her away from me was not a matter

[134]