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- Has anyone tried a vaccine (attenuated, similar pathogen, killed, toxoid, or subunit vaccine) for...(more)
- What is the efficiency of a typical jet engine? i.e. how much of the fuel is actually used making...(more)
- What causes a titanium headed golf club to spark when striking a golf ball? Is it the ball, the ...(more)
- When a nuclear particle radiates either an Alpha, Beta or Gamma praticle can that process be reve...(more)
- I am a firearms Instructor for Law Enforcement Officers. I am teaching a course on training male...(more)
- If matter expands when heated, and contracts when cooled, why does ice expand when water freezes?...(more)
- If the sun is a heat source, and as the sun gets closer to the earth the heat intensifies, then w...(more)
- Approximately how many nuclear tests do the americans alone conduct every year? (more)
- Are there any planned future deep space explorations planned say in the next 5 or so years. Surel...(more)
- Is there a simple chart that indicates the amount of carbohydrates in various foods? If so where ...(more)
- I would like to know the amount of salt (either in ppm or %) in a normal human tear. (more)
- Is snow a conductor or an insulator? (more)
- In my youth, I heard a story about an experiment: you compress a metallic spring and you put it i...(more)
- Is there a high permeability magnetic shield that does not have iron in it? (more)
- What gives yellow corn and blue corn its color? What is the specific pigment and why? (more)
- I heard that if you set fire to methylated spirit, it will catch fire, but nothing around it will...(more)
- How many times a year can you see the eclipse of the moon??? (more)
- I am having a problem understanding the Earths Atmosphere. It started years ago with the simple ...(more)
- In energy transformations, even on the subatomic level, is some energy always lost as thermal ene...(more)
- My dad was saying that radio waves from TV transmitter stations can burn you severely if you are ...(more)
