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K-State Research & Extension

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Questions (232)

Black to translucent green rock

I have a friend who has found a small black rock that looked like it may have been coal. He sat the rock onto his flashlight and it turns bright green. We have been trying to find out what it is and haven't found any description that describes it exact. So I'm hoping you might be able to help.

Thank you



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Cowley County Kansas 12 months ago

no spark on my mower

i have a small mid engine craftsman mower. It originally had a 11hp briggs and Stratton motor on it, until i blew it. So i had a extra 17hp v-twin briggs and Stratton motor that I put in it. it would start with starter fluid but die because I didn't have the fuel shut off switch on it. But i put a switch on to and i accidentally hooked up the coil shut off wire up to the battery and it was smoking, so i hurried up and unhooked it. so i replaced it and now i have no spark. i just want to know if i need a coil shut off switch or not. and what the spark problem is?


Sedgwick County Kansas mechanical over 4 years ago

Artificial Gravity

Why has Werner Von Braun's space station concept or at least a scaled-down version of it never been implemented for long term orbital missions by humans?



Sedgwick County Kansas science over 5 years ago


I have my Epiphyllum siting in the middle of the house for winter. My question is is it receiving enough light? I moved it to the south window and the tips of the new stems looked like they were getting burned. Does it mean sunburn if the tops of the leggy stems are turning reddish brown?


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Coffey County Kansas 2 months ago

Coffee grounds in compost or the garden.

What if any studies have there been on using coffee grounds in composting or using them directly in the garden. There is a lot of information on the internet but I've yet to see anything that talks about caffeine! I have access to large amounts of spent coffee grounds and just wonder if they would be beneficial or not?


Riley County Kansas 3 months ago

Struvite From Human Waste?

Hello! I ran across this site while doing some research on soil.

My question is the following:

Is it possible to make struvite from human waste? I've ran a cross the process of making struvite from livestock manure but I wanted to know if that process could be duplicated with human waste instead. Thank you!


Johnson County Kansas 4 months ago

Elephant Ear Trunk

Any suggestions welcome.
I bought this plant from an online group. Just recently have gotten into plants. I am wondering what in the world to do with this guy. Currently, it wont fit in a pot. The stem itself is at least 4 foot long and 7-8 inches in diameter. I would like to cut the stem down so that I can plant it in a pot.


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Johnson County Kansas 5 months ago

Paw Paw Seeds

I was wondering if i could just plant a piece of the fruit in some soil. Would that be able to have them germ? How far down in a gallon pot would you plant the seeds or the fruit, if that is possible?


Shawnee County Kansas 6 months ago

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