How do I safely watch the eclipse? Sunglasses won’t cut it. Special eclipse glasses are crucial for safely observing the sun as the moon marches across the late morning and afternoon sky, covering ...

Creating a projector's beam is extremely simple Timestamp 00:00 Introduction 00:10 Initial setting 00:50 Create Projection 01:50 Create light rays 02:21 Adjust the Blur of the Projection Hope it is ...