RSR's One-Way Speed of Light Experiment Proposal - a podcast by Bob Enyart

* RSR's Light Speed Experiment Proposal: A 2019 article posted here at Real Science Radio (at rsr.org/stretch) proposed an experiment, Einstein, Lisle, and Hartnett notwithstanding, that just might enable the measurement of the one-way speed of light. Let's think through the following. * Billions of Frames Per Second Cameras: The field of physics almost with one voice has maintained for over a century that the one-way speed of light cannot be measured and therefore that it cannot be shown to be equal to its roundtrip speed. Do high speed cameras require a reassessment of that long-standing claim? Transmission of light filmed at CIT at 100 billion FPS. * RSR's One-Way Speed of Light Series: - Stretch Cosmology Pt. 1 - Veritasium, Lisle, and Light's One-Way Speed Pt. 2 - RSR's One-Way Speed of Light Experiment Proposal Pt. 3 (this show) * A Fast Camera Proposal for a One-Way Measurement: RSR's asks whether 10-trillion FPS cameras (and Caltech's planned faster versions) might be used in a round-trip configuration to challenge the conventionality thesis and measure the one-way speed of light. Here's the concept for neutralizing that pesky 2-way speed of light problem... * Light Speed in a Vacuum: To state the problem more fully, it's the one-way speed of light in a vacuum that can't be measured. Scientists at Cambridge and Harvard have slowed light down to 38 mph by shooting a laser through extremely cold sodium atoms, so it's relatively easy to measure that one-way speed. But this RSR experiment, especially its second iteration, through water vapor, will measure a speed so very close to the speed through a vacuum that the difference cannot falsify the primary results, that is, that it is possible to measure light's one-way speed! After all, there is no known perfect vacuum, not at CERN and not even in space. So if anyone wants to quibble they might as well argue that physicists have never measured even the roundtrip speed of light. For interestingly, even interstellar space is estimated to contain anywhere from a million molecules per cubic centimeter down to a thousand atoms per cubic meter. If you'd like to help RSR, please consider Donating, Subscribing, or See our Research Wish List! * Vacuum Rabbit Trail: The European Organization for Nuclear Research has bragging rights for their massive super-rarified ultra high vacuum that they compare to the vacuum in space as far away from Earth as the moon. One RSR caveat on that though. It just so happens that the Earth's atmosphere extends beyond the Moon. So that environment isn't as void of particles as many may expect. And that atmospher extension is another young-earth argument because it is one of scores of transient conditions and events in the solar system that could not long persist. And while we're on this rabbit trail, the more than 100 annual meteor showers caused by Earth flying through known streams of cosmic debris is evidence, directly observed by millions of people, that Earth orbits in a dusty region of space, whereas evidence only known to those who study the solar system tells us that as the asteroid belt is approached the estimated number of micrometeroites per cubic kilometer decreases significantly. So something, recently, dirtied up Earth's environment.) * Light Speed in Milk and Stuff: RSR's proposed light speed experiment is performed first with the bottle filled with water and a splash of milk. The milk sufficiently increases the refractivity of the medium so that the laser's progress can be captured on video. The experiment is then repeated with the bottle empty except for some water vapor. The speed of light in a vacuum is: - 50% faster than in glass - 25% faster than in water, but only negligibly faster - three hundredths of 1% than in air. Of course the introduction of milk in the water, and even the water vapor alone, will reduce the speed of light through these mediums. But that reduction should be quantifiable and sufficiently minimal as to not preve

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