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Ask an Expert Topic Forum: Grades 9-12: Physical Science
Astronomy Astronomy Kinda a weird question, but: If we lived inside a black hole, the void of space would be white. If we lived inside a white hole, wouldn’t space be black? Does that mean we are within a white hole? Re: Astronomy A really headache-inducing question :lol: :lol: :lol: Re: Astronomy In theory, if we were within a white hole, space might appear black due to the absence of matter and light escaping. This idea is explored in "The Nature of Space and Time" by Stephen Hawking… Read more
Breast Cancer / AI KNN Breast Cancer / AI KNN [Posting on behalf of parent/student] My son, a 7th grader, is interested in doing the "Can AI diagnose breast cancer" project. https://www.sciencebuddies.org/science-fair-projects/project_ideas/ArtificialIntelligence_p010/artificial-intelligence/KNN-breast-cancer We are following the instructions as per the video listed. In the video by Tracy @2:21 she says that we should normalize or scale the features that are specified in the project… Read more
Bioluminescence experimeny Bioluminescence experimeny Hi, My 5th grader is working on the bioluminescence experiment and we are on day 7. We were expecting the test tubes that we moved between light and dark every 12 hours to do the best (as in glow the brightest), consistent with the circadian rhythm. However the ones doing the best are the ones exposed to light round the clock, with only brief periods of darkness when we turn off the light to check luminescence twice a day. What could be… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
Effect of Mental imagery training on the improvement of profficiency in drawing straight lines Effect of Mental imagery training on the improvement of profficiency in drawing straight lines Hello. As far as i know mental imagery training can improve motor functions so much so that it can even affect the power output of a spesific muscle group if trained in a repeated order just like usual physical exercising. Drawing pictures is a motor function since it involves the usage of the muscle… Read more
Ask an Expert Topic Forum: Grades 9-12: Physical Science
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Ask an Expert Topic Forum: Careers in Science
Know Rifaximin Use for Breast Cancer Treatment Know Rifaximin Use for Breast Cancer Treatment [b][url=https://www.genericcures.com/product/rifagut-200mg/]Rifaximin use[/url][/b], a popular antibiotic for treating gastrointestinal problems, has recently shown potential in the treatment of breast cancer. Rifaximin has been shown in studies to limit the growth of breast cancer cells by targeting particular pathways involved in cancer progression. This medication works by blocking the… Read more
Question about Capable Carbon Filters activity Question about Capable Carbon Filters activity Hello, For this activity, can activated carbon be substituted with activated charcoal instead? I'm seeing mixed answers online about using the two materials interchangeably. Thank you, Wendy ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/capable-carbon-filters]Capable Carbon… Read more
research in oil research in oil I wnt to add PDMS as an antifoaming agent in edible oil mixture and make it soluble in the oil without appearance of any particles what co- solvent can be used and in what amount Re: research in oil Ethanol. You can use it in a small amount, like 1-5%, to help PDMS mix evenly in the oil. Read more
Ask an Expert Topic Forum: Grades 6-8: Physical Science
Power Source Inquiry for an Oscillating Motor Power Source Inquiry for an Oscillating Motor I am working with my niece on a school project. Attached is a pic of the current parts I am using. There is a 7mm amplitude High-Torque Brushless Motor that oscillates with a circuit board, an on/off button and stem. The device is currently powered with a battery. Is there a way I can use my iPhone to power the device i am building instead of a battery? Is there a way to plug into my iPhone and wire… Read more
Question about Investigate Alien Genetics activity Question about Investigate Alien Genetics activity Choose the trait based on its amino acid sequence for gene 1,2 and 3. After you have determined the phenotype of each organism, sketch a picture ------------------------------------- Leave this to help the Experts: The activity can be viewed at: [url=https://www.sciencebuddies.org/stem-activities/alien-genetics]Investigate Alien Genetics[/url] Re: Question about Investigate Alien… Read more
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