I am back! And this time with a new episode on how more things work. Or are designed. A bolt/screw is something simple that everyone uses at some point, but do you know about the engineering behind it? or better said, under it. Music: cinematic-documentary-Lexin Music slow-trap-Anton_Vlasov smoke-SoulProdMusic

Why my hand doesn't fit in these holes? Why I cannot lift this object?

Churros and more churros! come get them before they are cold!

What should you choose given a catalog options? What has more priority?

Why checking the corner of your house before you buy is important