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With biomass plants, the government wanted to ensure that the climate targets would be met. The government set aside 10 billion euros for the construction of 628 biomass plants. Objections to the biomass plants soon arose: they would not be as CO2-neutral as was assumed and there would be more useful ways to use the biomass.

In 1905, the popsicle was invented by eleven-year-old Frank Epperson. He made a drink with water and some soda powder that he stirred through with a stick. Because his mother told him to go to sleep, he left the drink. When he woke up the next morning, it had frozen and the drink with the stick in it was frozen too. This was the first popsicle.

Columbus was looking for a faster sailing route to the Dutch East Indies. He planned to sail there via the West. With the financial support of the Spanish Queen Isabella, his ships left for the West, but instead of finding a new route to the Dutch East Indies there, he found the undiscovered continent of America.

Zoom became instantly popular during the corona pandemic. During the lockdowns, everyone wanted to use the handy programme to make video calls. The enormous increase in users led to problems in the areas of privacy and security. These errors damaged Zoom's image: many parties no longer want to use the programme. Zoom is working hard to solve the problems.

The renovation of the Afsluitdijk will take three years longer and cost hundreds of millions more than planned. This is all because of a miscalculation with the data of the sluice gates, which means the design is no longer correct.

With a smart mattress that could take body measurements, the Nursing Home Technology Team wanted to improve the efficiency and quality of care for terminal patients in the last phase of life. Unfortunately, until now it was not possible to interpret data or receive data on desired devices, while it was crucial to be able to test. So it turned out not to be such a smart mattress.