Recent Questions
- How can glass produce glare without reflecting light?
April 19, 2024
- Why is the speed of light a random finite number?
February 7, 2024
- Is mental illness really an illness?
January 8, 2024
- Is there a difference between thermal radiation and infrared radiation?
December 13, 2023
- When does light travel in a straight line?
November 22, 2023
- Are there any massless particles?
October 23, 2023
- Why don't the gases in the atmosphere separate out according to mass?
September 19, 2023
- Why does a person with only one working eye have zero depth perception?
July 28, 2023
- How do 5G cell phone signals harm humans?
August 18, 2022
- How can radioactive decay just happen with nothing triggering it?
August 11, 2022
- Why is gravity not a real force?
August 5, 2022
- Are there different types of black holes?
August 2, 2022
- Is a black hole a 2D or a 3D object?
July 20, 2022
- Why does the air only contain water vapor and not other kinds of vapors?
June 11, 2022
- Do blind people dream in visual images?
February 11, 2020
- How does trash in the ocean disappear?
August 20, 2019
- Can a star turn into a planet?
February 24, 2019
- Can gravity form waves?
November 6, 2018
- Why does mainstream medicine only treat patients with drugs?
May 18, 2018
- Why don't metals burn?
February 18, 2018
- Is the reason that nothing can go faster than light because we have not tried hard enough?
July 20, 2017
- Since a star's light takes so long to reach us, how do we know that the star is still there?
April 2, 2017
- Galaxies look stationary, so why do scientists say that they rotate?
November 17, 2016
- Does the back of a rainbow look the same as its front side?
July 3, 2016
- How does a black hole give off light?
March 29, 2016
- Does a source of electricity ever run out of electrons?
March 17, 2016
- Is metal a good heat shield?
March 8, 2016
- How is a magnetic field just an electric field with relativity applied?
February 18, 2016
- Do Kirlian photographs show the soul of an organism?
February 10, 2016
- Would a guitar sound the same on a space station?
January 29, 2016
- Where is the edge of the universe?
January 20, 2016
- Is it possible to create magnetic waves?
January 13, 2016
- What is the overall electric charge of the universe?
January 11, 2016
- Can I turn my cat into a diamond?
December 30, 2015
- What keeps the sun spinning?
December 21, 2015
- What chemicals can make human tissue regenerate in seconds?
December 14, 2015
- Can a fire have a shadow?
December 1, 2015
- How does the outer layer of skin cells on my finger detect when I am touching an object?
November 23, 2015
- Why do the spikes that shoot out of stars form perfect crosses?
November 16, 2015
- Can sound waves generate heat?
November 5, 2015
- Can a man's testosterone be boosted naturally?
October 29, 2015
- Why is the sky not blue as seen from space?
October 16, 2015
- How can Lyme disease last for years?
October 9, 2015
- Can radio antennas emit visible light?
October 2, 2015
- Can you make a sunset in a cup of milk?
September 23, 2015
- Why don't I feel the miles of air above me that are crushing me down?
September 14, 2015
- Can humans ever directly see a photon?
September 3, 2015
- Is there a difference between mainstream science and alternative science?
September 1, 2015
- Why have humans evolved to be taller over the last three hundred years?
August 19, 2015
- Why do humans crave sugary foods? Shouldn't evolution lead us to crave healthy foods?
August 17, 2015
- Why is the moon so bright?
August 6, 2015
- Is human blood ever any color other than red?
July 16, 2015
- How large would a bucket of water have to be to put out the sun?
June 30, 2015
- Are there any parts of the human body that get oxygen directly from the air and not from the blood?
June 25, 2015
- How do projectors project the color black?
June 16, 2015
- If I hammered and flattened a penny enough, could I cover the entire earth with it?
June 15, 2015
- Does the influence of gravity extend out forever?
June 9, 2015
- Is a quadruple rainbow possible?
May 22, 2015
- What makes a "fluorescent" highlighter marker so bright?
May 15, 2015
- Is it completely random whether a baby is a boy or a girl?
May 5, 2015