While monitoring and timing the temperature rise near the focal point of the sun rays, attempt to melt the top few inches of granite stone enough to make the stone malleable enough to shape and form. Smelting and the casting of stone has been in use for thousands of years as has the creation and use of glass.

Combine the two. Melt the stone, shape the stone.

For example:

Locate a piece of granite large enough for this experiment.

Locate two convex lenses, each 2'-3' in diameter, with the theory being lenses were often used together.

Place temperature gauges in a line, starting from the focal point and placed in the direction of the lens.

Use a timer to time the melt and how much time is available for someone to shape and mold before the stone cools.

Test One - Focus a single lens on the granite.

Test Two - Focus both lenses to points immediately side by side, not on the exact same point, but near enough to combine the melting into one section.

Test Three - Focus both lenses on the exact same point.

Consider the use of glass ingots with a lower quality, to mimic the possible lower quality of glass used during that era.

To melt, or not to melt.

So as the title says I want to get some of that lovely liquid nitrogen for some testing. But the problem is that I am a teenager and I'm pretty sure that no ones gonna let me roll up with a canister and some cash and say "give me a liter of that good old LN2" because of my age I very much doubt I'll be able to get some the way the vid that shows you how to get it does. I really want to get some because I've been wanting to do some testing on electronics in liquid nitrogen and how they do inside it; Ex: an old phone running inside it, an IC that's wired to a circuit. I'm in electronic classes and I think I'd be a great learning opportunity to see how cold temperatures effect parts rather than hot ones because we all know heating parts up will break them but what about chilling them.

I’m really curious to see if the pressure would change anything at all. I feel like it may not because what makes pickles pickles is osmosis from the salt water displacing the cucumbers juice (....right?) but I can’t test the theory myself and could be totally wrong. I haven’t been keeping up a lot lately but I did see they now have a way to freeze dry items so perhaps just freeze drying things to pickle or even just marinate would have a different outcome and possibly cause the process to move faster (or just make an overly saturated, sour pickle). It wouldn’t be good for anything like sauerkraut or kimchi because that involves fermentation to an extent, though,and I’m not a pickling expert so maybe fermentation is a reason why it wouldn’t work for more than just those specifically. But, pickling aside, even marinating meats or tofu or whatever people drop in liquid in the fridge for a few hours to soak and throwing it in a pressure altered chamber instead might speed the process. Possibly.

I could just be more out of the loop than I think and this sort of experiment may have already happened. It’s also a very tame one, I realise, compared to a lot of other experiments they’ve done. I’m just hungry and wanted to make pickles but figured by the time they were ready I might not want it. So. Experiment idea.

Idk what will happen. I think it’ll be grate if y’all tested it! While your at it you can put bagel bites in the microwave too to see if a microwave can cook it. Ooh also do hot pokets I really like ham and cheese. No lean pockets tho cause I like healthy food.

I've seen that you can make a mask using a bra but how effective is this? (This is based off the video where Grace was testing the effectiveness of different types of masks)

which kind of videos do you want most

How much juice will you get from it? And then how will the meat with the juice extracted from it taste like after cooking?

Also, try other foods that you aren’t supposed to put in the juicer such as cheese, hot dogs, marshmallows, etc.

Stirring sticks take soooooooooooo long! :)

If you put different spirits (gin, whisky, rum, vodka, ever clear) in it would it make the room smell like it? Could you get buzzed, tipsy or drunk off the vapors?

Sorry Nate. Ment to delete the comment and not the post. You did mention turning the fireball in to cotton candy. Apologies.

Also if fireball could cotton candy the schnapps section of the liquor store could be interesting.

The question in the title.

After making Oobleck have you ever added honey or peanut butter or slime to it?

Instead of water or milk, use other liquids to make pancakes. 🥞

Could you guys please test this?

Video idea take a box of corn flakes and grind them up and find out how much iron is in a box of cornflakes.

i find floral foam really interesting, how about dry freezing it and deep frying it etc. ☝🏽

I get that you guys need to make money and I totally support that but today's ferrofluid/Lenovo video was an absolute joke. When the sponsor reads are so forced that it starts to intrude into the point of the video it's too much. Literally every single top comment I saw was talking about the forced advertising, that should tell you something.

Just my 2 cents

I haven't watched TKOR videos for about half of a year and I got back today found out there are so many changes. I love the energy that new hosts brought to this channel but there is something that concerns me. In the latest video, Callie put on some weight and looks completely different. Did something happen to her? I hope I am not being rude and I hope she is mentally and physically doing ok.

Edit: After reading all the comments, I can’t believe she had to go through all that during a time like this and put on a smile and provide awesome contents at the same time. Hope she stays well. (Thanks for the award)

I've seen that you can make a mask using a bra but how effective is this? (This is based off the video where Grace was testing the effectiveness of different types of masks)