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Can you use a magnifying glass and the moonlight to light a fire?
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635 reads
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492 reads
Would there be any danger from standing next to a large object that was 0 Kelvin?
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466 reads
I have a Nothing Grenade™. When detonated, it instantly replaces itself with a sphere of perfect vacuum 2 meters across. What would actually happen when it went off?
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362 reads
Could a person eat a whole cloud?
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339 reads
What if you were hanging on a helicopter blade by your hands and then someone turned it on?
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313 reads
If a T. rex were released in New York City, how many humans/day would it need to consume to get its needed calorie intake?
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301 reads
As plastic is made from oil and oil is made from dead dinosaurs, how much actual real dinosaur is there in a plastic dinosaur?
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261 reads
Why don’t compasses point toward the nearest hospital because of the magnetic fields created by MRI machines?
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262 reads
What would be the most expensive way to fill a size 11 shoebox (e.g., with 64 GB Micro SD cards all full of legally purchased music)?
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258 reads
If I pulled out my eyeball and aimed it so that it was looking into my other eyeball, what would I see (assuming the nerves and veins remain undamaged)?
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267 reads
I noticed recently that the number of people in a family tree increases exponentially with each generation: Which got me thinking—are most people descended from the majority of Homo sapiens who have ever lived? If not, what fraction of all the people that have ever lived am I descended from?
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255 reads
IDEAS CURATED BY
"A good idea should be like a girl's skirt; long enough to cover the subject and short enough to create interest."
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