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一、溢不出来的水水无法流入橡皮管。用品:一条长600厘米、直径约1.5厘米的橡皮管,一个直径约30厘米的卷筒,一个漏斗,一桶水试一试:把橡皮管在卷筒上绕5圈,橡皮管的一端放入空桶中,另一端提起离卷筒约100厘米高。将漏斗插入高处的橡皮管口,向漏斗中灌水。水能从另一端流出来吗?揭开奥秘:你永远也不会看到有水流出来。水只能从漏斗上溢出,一点都没流进下
First, the overflow of water can not flow into the rubber tube. Supplies: a 600 cm long, about 1.5 cm diameter rubber tube, a diameter of about 30 cm of the reel, a funnel, a bucket of water try: the rubber tube around the spool 5 laps, one end of the rubber tube Into the empty bucket, the other end of the lift from the reel about 100 cm high. The funnel into the height of the rubber nozzle, to the funnel irrigation. Can water flow out from the other end? Unveil the mystery: you will never see any water flowing out. Water can only overflow from the funnel, did not flow into the next