When you hover out of a spoiler block, the text disappears. However, it appears that the styling of visited links prevents them from disappearing with the rest of the block. From here (although the post has changed, it still contains a link). You can also test it here: As a side note, ...

$$ \frac{1 + 49}{2} = 25.. $$ There are infinitely many solutions to $x^2 + y^2 = 2 z^2.$ I am pretty sure that version has been asked on MSE before, and formulas giving all integer answers were given. Give me a few minutes, I will find that or do it over.

How does Judaism deal with the differences between scientific evidence of the beginning of the world and the account(s) in Bereishit?

Consider the map $\varphi : \mathbb R^2 \to \mathbb R^2$ defined by $(x,y) \mapsto (x,y^2)$. Apparently this map is called a fold as the $(x,y)$-plane is folded over and creased along the axis $y=0$. But I really don't see how this is the case: $y^2$ does not "fold" or "crease" anything it ju...

I like munching celery at work, but I don't want to annoy my coworkers. Today I cut my celery into 1-inch (bite-sized) pieces so I don't have to loudly bite it off from the stalk. How else could I eat celery (or carrots or tortilla chips) quietly?

Blend it in a blender. Chips require you to also add some salsa or in general a "wet" component, celery or carrots don't. Carry it to work in a container of some kind and use a spoon to eat.

A few unorthodox life hacks I can think of off the top of my head: Juice your vegetables, and your potato chips, too. Wrap a towel around your head when you chew. Tell your coworkers to deal with it. Fire a gun or an air horn first. Chewing sounds will seem pleasant afterwards. Stop eating cele...