What The Hell? This Is So Cool! Wish My Physics Teacher Had Done Cool Stuff Like This

What the Hell? This is so cool! Wish my physics teacher had done cool stuff like this

So, our physics teacher has the strange idea of motivating his students by letting each of us present a physical phenomenal we find interesting to our classmates in a 5-minutes-presentation. And now I need something that is interesting for everyone - even people that usually don't care for physics -, but has interesting facts for someone who's interested in it, too (preferably with an easy experiment). You don't happen to have any ideas, do you?

First of all, your professor is awesome for taking the time to do this. Of the top of my mind, the best one I have is Chladni figures.

Basically take a flat metal plate, fix it at the center and spray some fine sand particles on it.

Using a violin bow, gently excite any edge of the plate to magically witness these beautiful normal mode patterns ( known as Chladni patterns/figures ) forming on the plate.

Also notice that by pinching the plate at different points, the pattern obtained changes.

There is a whole lot of physics that goes behind such a simple phenomenon and I dare say we understand it completely. There are lots of questions on these figures that we have no answer for!

Hope this helps with your presentation. Have a good one!

Gif source video: Steve Mould

Fictober day 1

Prompt: "Can you feel this?"

Warnings: suggestions of past trauma, sex

His fingers gently traced the scar below her belly, the scar from where life had been extracted form her so long ago. "Can you feel this?"

"No, I really can't." That wasn't exactly true. There were no nerve endings in scar tissue, but she could still feel the light of the life that had grown there. She could still feel the urge to recoil from that long-hidden part of her history. She could still feel a twinge of insecurity in letting him see, much less study, her disfigured torso. But she knew he didn't see it that way. What she saw as defects, he saw as pages in the story that was her; pages he relished reading again and again.

She ran her fingers through his hair. I really do love this man. The admission calmed her, somehow made her feel freer.

He gazed up at her, mischief in his eyes, a playfully-wicked curl on his lips. Her breath caught in her throat as his fingers slid downward. "Can you feel this?"

Oregon Coast - by Ken Furman

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dragons-barb

5 years ago

So cool! An online alternative that gives back! Love the "boredom busters" section.

To my dismay, the nearest bookshop to my major metropolitan area is over 67 miles away?! Oh, the misplaced priorities!

Local Bookstores Have A New Weapon In The Fight With Amazon

In the book industry, Amazon is Goliath, the giant who overshadows everyone else. But there’s a new David on the scene, Bookshop.org.

It doesn’t expect to topple the giant, but it has launched a weapon that could make Amazon’s shadow a little smaller, and help local bookstores fight back.

Bookshop.org, a website that went live at the end of January and is still in beta mode, is designed to be an alternative to Amazon, and to generate income for independent bookstores. And, perhaps more importantly, it seeks to give book reviewers, bloggers and publications who rely on affiliate income from “Buy now” links to Amazon a different option.

Profit from books sold through Bookshop will be split three ways, with 10% of the sale price going into a pool that will be divided among participating bookstores, 10% going to the publication that triggered the sale by linking to Bookshop.org, and 10% going to Bookshop.org to support its operations.

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bookshop.org

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dragons-barb

7 years ago

I'm going to be thinking for a long while about why this speaks so loudly to me

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dragons-barb

5 years ago

...and the bard-druid-monk-ranger-wizard! I think we've got this, right, @chennington ?

Dungeons and Dragons, but your character must be a self insert, and class is determined by your current abilities Barbarian Must have a demonstrable temper, go off I guess Bard Must be able to play an instrument Cleric Must be involved in a religious organization Druid Must have demonstrable knowledge of, or passion for nature Fighter Must beat the DM in physical combat (hope your DM’s a wimp) Monk Must practice a martial art Paladin Must have a cause that one actively supports Ranger Must be able to fire a kind of ranged weapon accurately Rogue Must sneak up on the DM (Hard mode: steal their dice) Sorcerer Must have a powerful family heirloom Warlock Must work for a powerful entity (Corporations, The Government) Wizard Must have a College Degree or a 3.0 GPA If you can’t be any of these you start as a commoner, and may become one of these classes when you finally satisfy these conditions.

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dragons-barb

7 years ago

Well, shit... guess I'm desperate

me, staring down ao3: ok i’m desperate for fic about this pairing but like… how desperate

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