Anyway, we are well into optics in my Principles of Physics II class. We've talked about wavelengths and frequencies and the speed of light (also talked about that in E&M) and everything under the sun that doesn't require vector calculus, linear algebra, or differential equations.
If you've ever wondered how microwave ovens don't radiate you and how the grid on the window works, but you wondered it too passively to actually open a new tab and google it, I understand you completely. We talked about how this works in my class either this week or last week (it's all one long awful week to me at this point), and it seems crazy: the wavelength of the microwaves in your microwave oven that are used to heat your food have a wavelength that is way larger than the holes in the metal screen. Doesn't matter how big the amplitude is; if they are long enough, they are going to be really bad at getting through those holes.
Another cool hypothesis, from that book I stole from my Institute director back home, connected here: God communicates with us via light, but it's light of EM wavelengths that we haven't yet discovered.
So, the point I'm getting to here is this: each of us is a metal screen. Each of us is a uniquely made one. Different wavelengths of light penetrate through us in different ways.
I was privileged to speak the Sunday before last during Sacrament meeting. The other two speakers were to of the women with me in the Relief Society presidency. Ben pointed out to me that each of us presented our talks in different ways, but we all spoke well: the first speaker, he said, was soft-spoken, gentle, really sweet, and full of love; I was matter-of-fact and laid it out like it is, gave scriptures to back all of my points, and elaborated on them; and the last speaker was "more feisty"! He cracks me up. Anyway, each of us is a largely different person, and we come together to present our talks or work as members of a presidency to strengthen the kingdom of God on Earth and "feed [His] lambs".
Most Sacrament meetings, one might feel the spirit the speakers bring, but one speaker in particular might resonate with us deeply. One might sit through General Conference and feel the spirit testify that these are the Lord's anointed and the words they speak are good, but one or two speakers will seem to speak to them personally. One might feel the Spirit bear witness of truth in a way completely different from another. Some wavelengths just might not get through our metal screen, but others will, and that's totally fine.
I testify that God knows how we understand the world and how we need to hear things. He knows who we are and He has for millennia and He will never try to speak to us in ways we just don't get. Sometimes, we don't quite seem to hear anything for a while. That's okay. He is still there, and when the time is right, we will feel the spirit and understand things again. The light will always come. This is my promise in the name of Jesus Christ. Amen.
|I'm really tired and I couldn't find a decent picture for this post|
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