Spiro Paper -DIY Erasable, Blue, UV Sensitive ,Cheap, Positive Photographic Paper

Spiro Paper -DIY Erasable, Blue, UV Sensitive ,Cheap, Negative Photographic Paper

ps : that work like negative photographic paper

Aachen Kids University Workshop Video and Recipe for to able to make your negative photographic paper with elegant blue color print , uv sensitive , short expose times , heat ,or red light, daylight erasable , extremelly basic and elegant. You can print your negatives , see the result and than erase the paper again.

Here is the video at youtube :...

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