# HG changeset patch # User HackBot # Date 1492029162 0 # Node ID 9476192dfbb9810f10053168be373ac9d4a31a43 # Parent d5f74afaf00f2862f2946e1100e5c34cf488a860 slashlearn vacuum tube//After the London terrorist attacks of 2005, the Underground was completely evacuated. Without air resistance, the trains would go at blazingly fast speeds between the terminals. This is called a vacuum tube. Sadly, current technology doesn\'t let passengers travel that way. diff -r d5f74afaf00f -r 9476192dfbb9 wisdom/vacuum tube --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wisdom/vacuum tube Wed Apr 12 20:32:42 2017 +0000 @@ -0,0 +1,1 @@ +After the London terrorist attacks of 2005, the Underground was completely evacuated. Without air resistance, the trains would go at blazingly fast speeds between the terminals. This is called a vacuum tube. Sadly, current technology doesn't let passengers travel that way.