The most renowned physicists of the 20th Century. Very surprisingly, they support the idea that Matter does not exist until an observer looks at it. That is unquestionable. Here are some exact statements expressed by those scientists. We believe that this is non-sense.
Some scientists recognize it.
However, most of them keep supporting it. And it agrees fully with experiments. So I hope you can accept Nature as she is - absurd. These were claimed to show that physics has reached the end of the road. It is believed that light is simultaneously a wave and a particle.