Introduction 00:10 Initial setting 00:50 Create Projection 01:50 Create light rays 02:21 Adjust the Blur of the Projection ...

WASHINGTON — With April's total solar eclipse getting closer, now is the time to plan for how you're going to safely watch the celestial spectacle. Hopefully this isn't the first time you're hearing ...

In this video, learn how to make a game projector for smartphones using light bulbs. Follow our step-by-step guide to ...