--> The 10 Weirdest Japanese Inventions You Never Knew - JustPost: Virtually entertaining
a porch for your window are the stairs you never knew you needed
Scottish Physicist Robert Watson Watt was once stopped by the police for speeding, and then said:"If I knew what you do with it, I would never have invented the radar!".
watt, radar, speeding, physicist
time is like a river, you cannot touch the same water twice, because the flow that has passed will never pass again, enjoy every moment in life