art
Sine Wave A 440 Hz Concert Pitch for Ten Hours
Stop your brain from overthinking. You don't need an app. Ten hour Sine wave with no overtones which is called pure as it is only the fundamental frequency.
Youtube
Discover how artist Andy Warhol made his colourful and iconic silkscreen prints. Printmaking appealed to Warhol as it allowed him to repeat a basic image and create endless variations of it by using different colours or sometimes adding paint to the printed surface. Vide by Tate. #tutorial