Experiment with music-making road stopped after one day
If a motorist drove the permitted speed on the N357 in Friesland, the Frisian National Anthem would be played at the correct speed. Unfortunately, the experiment was stopped after one day. Motorists drove extra fast to see how fast the music could be played. In addition, local residents heard all sorts of noises mixed up; the road not only caused dangerous situations, but also inconvenience.
No (Golden) Grand Slam for Novak Djokovic
It was going to be the year of the Golden Grand Slam for tennis player Novak Djokovic, the No. 1 in the world rankings. For a Golden Grand Slam, he must win all four grandslam tournaments that year and the Olympics. He won the first three grand slams, but during the Olympics he missed the boat, so a Golden Grand Slam was out of the question. A Calender Slam is still possible. Then he lost the US Open final and his dream went up in smoke.
Useless solar cell machine may start improving batteries
Using a device, the ECN research center wanted to produce solar cells. The device could vaporize silicon onto solar cells, but unfortunately not with a density of the silicon that was high enough. As a result, the device lay gathering dust, until Christian Rood came across it and saw how useful the device could be for producing batteries.