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cragar
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would we need anti-tungsten to do it.
That would be anti-argon (and a little anti-nitrogen). We'd also need anti-silicon and anti-oxygen. I suppose we could suspend it magnetically so we wouldn't need anti-air.mgb_phys said:Yes and anti-copper, and anti whatever gas is in the lightbulb
mgb_phys said:RE positrons in our light bulbs
Assuming you had the anti-tungsten filament suspended somehow so that it didn't have to touch the seal at the base of the bulb and you had a perfect vacuum in the bulb so you didn't have to worry about gas molecules hitting the anti-tugsten filament.
Then, yes it would work perfectly normally and you wouldn't be able to tell that the photons emitted were from anti-matter
You can't - the only reason to think they aren't is that you don't see the x-rays from where their anti-interstellar medium meets out interstellar medium.Bob S said:how would we determine whether some (half?) of the millions of galaxies we see through the Sloan Digital Sky Survey and other telescopes were made of antimatter?
Yes, positrons can be used to power a light bulb. Positrons, also known as antielectrons, have the opposite charge of electrons and can be used in a process called annihilation to produce energy. This energy can then be used to power a light bulb.
The process of annihilation occurs when a positron collides with an electron, which results in the production of gamma rays. These gamma rays can then be converted into electricity, which can power a light bulb.
Yes, there are practical applications for using positrons to power light bulbs. This technology has been used in medical imaging, specifically in positron emission tomography (PET) scans, where the annihilation process is used to produce gamma rays for imaging purposes.
One advantage of using positrons to power light bulbs is that it is a clean energy source. The annihilation process does not produce any harmful byproducts, making it environmentally friendly. Additionally, positrons have a high energy density, meaning they can produce a significant amount of energy in a small space.
Yes, there are some challenges and limitations to using positrons to power light bulbs. One major limitation is the difficulty in producing and controlling positrons. Positrons are not naturally occurring and must be created in a laboratory setting. Additionally, the technology and infrastructure needed to harness and convert the energy from positrons into electricity is still in development.