https://visualeducation.com/class/understanding-inverse-square-law/ Hidden Content: **Hidden Content: You must click 'Like' before you can see the hidden data contained here.**
Of course the site requires a subscription. That's what I'm paying What you get here is the video for that lesson. Click the link use the password on my signature you can see above the post and you can download the video. No one on this forum is give acess to sites with subscription
