Pinhole camera part-1

what is Pinhole camera and how it's work and use of pin hole camera.
what is solar eclipse,safest techniques for viewing solar eclipse.
also watch on
https://www.youtube.com/watch?v=8kPuxd4vRtE

1. Pin hole camera Form image without a lens but with a tiny hole Projects an inverted image on the opposite side of the box. Rely on the fact that light travels in straight lines

2. We can make a camera at home without lenses that can form image.

3. H ave you heard about one of the sky's most awesome shows: Solar eclipse

4. A  solar eclipse happens  when the moon comes in front of the Sun as seen from the Earth.

5. Never ever look directly at the Sun. That could be extremely harmful for the eyes.

6. Safest technique for viewing a solar eclipse   Telescope

7. Eclipse viewing glasses

8. Watch the footage of the eclipse

9. View the solar eclipse safely - and without glasses Using Pinhole Camera