A table tennis ball falls from a high altitude, and the height of the bounce after reaching the ground is half of the height of the fall. If the table tennis ball is dropped from a height of 8 meters, then it bounces and then falls, the bounce height is less than 1 rice.
乒乓球从高空落下，到达地面后弹起的高度是落下高度的一半，如果乒乓球从8米的高度落下，那么弹起后再落下，则弹起第多少次时它的弹起高度不足1米．
<result>4</result>