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stuff you want to know

Andru from Bucharest, Romania asks:
How does a spacecraft measure its speed in space?
Sonny from Ventnor City, N.J. asks:
How does a door closer work?
Greg from Shreveport, La. asks:
How do you get a ship in a bottle?
Gus from Arlington, Texas asks:
Is a 27-foot boat safe enough for the ocean?
Annie from Manchester, United Kingdom asks:
What hormone is in woman’s urine that indicates she’s pregnant?
Balasubramaniam from Mumbai, India asks:
What would happen if the Earth stood still for one full minute?
Joan from Mobile, Ala. asks:
How does cap and trade work?
Darryl from Columbia, Tenn. asks:
How do you build an indoor miniature golf course?
Margaret from Holland, Texas asks:
What will computers in 2020 be like?
Adnan from Rawalpindi, Pakistan asks:
Is hydropower a viable long-term green energy alternative?
Aym Daraa from Syrian Arab Republic asks:
What is the meaning of super conductivity
Mudabir from Iahore, Pakistan asks:
How are we able to speak?
Sherry from Manchester, N.J. asks:
What is a whole life insurance policy?
Howard from San Diego, Calif. asks:
How do you erase a hard drive on computer?
John from Nacogdoches, Texas asks:
How can you dry clean your own clothes?
Andre from St. Louis, Ill. asks:
How does a car’s torque converter work?
Wole from Houston, Texas asks:
How do you paint a car’s alloy wheels?
Fritz from Westbrook, Maine asks:
What’s agave nectar, and how is it better than sugar?
Audrey from Chicago, Ill. asks:
How is white chocolate made?
Jacob from Stillwater, Okla. asks:
Why does a slice wound bleed less than a puncture wound?
Debo from Ikorodu, Nigeria asks:
Why are navy warships typically gray in color?
Darlene from Fort Gibon, Okla. asks:
How is coal turned into electricity?
Ozone from Owerri, Nigeria asks:
How does an electrical inverter work?
Matthew from Hudson, Ohio asks:
How fast does blood flow throughout the human body?
Enrique from Victorville, Calif. asks:
Why would a car engine start smoking?
David from Long Beach, Calif. asks:
How is beef jerky made?
Simal from Sacramento, Calif. asks:
Why does Saturn have rings?
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