Is it possible to manufacture Helium? - Physics Stack Exchange
Apr 25, 2014 · Helium is a scarce resource, as it escapes the atmosphere over time. If we run out of Helium deposits, will it be possible to manufacture more helium through nuclear fusion or …
Why does a helium balloon rise? - Physics Stack Exchange
May 30, 2019 · The average density of the balloon filled with helium is smaller than the density of air. When the balloon is filled, it normally has a very large volume of helium compared to the …
Why can't hydrogen and helium fuse? - Physics Stack Exchange
Aug 24, 2021 · The fusion of hydrogen-3 and helium-3 to lithium-6, or hydrogen-3 and helium-4 to lithium-7, has the same problem. It seems it could be possible a reaction in which hydrogen-3 …
fusion - Where do the Neutrons for fusing Hydrogen to Helium in …
Feb 3, 2022 · The sun works by fusing hydrogen to helium (at the moment). While hydrogen is a single proton (I'm ignoring electrons here... not sure if they are relevant since it's probably a …
Why don't deuterons produce a helium-4 nucleus when they fuse?
Aug 25, 2022 · 27 I would expect two deuterium nuclei to fuse straight into a single helium-4 nucleus, because that's by far the most stable way to arrange 2 protons and 2 neutrons. But …
Why is Helium-3 better than Deuterium for fusion energy …
Helium-3 is more "desperate" to fill the missing neutron than Deutrium is to merge with a twin to form Helium. In other words, you need less energy to make Helium-3 to fuse with Deuterium to …
Can helium disappear from Earth? - Physics Stack Exchange
Sep 25, 2013 · Also, helium is created on earth from radioactive decay in elements like uranium, because a helium nucleus is a deadly alpha particle. As long as we can make alpha particles, …
nuclear physics - How can a helium nucleus be lighter than the …
Feb 3, 2025 · Matthew Tueth: How can a helium nucleus be lighter than the four protons which fused to create it, even though neutrons are heavier than protons? If you take into account the …
What happens to alpha particles in matter? - Physics Stack Exchange
May 11, 2020 · Alpha radiation can be stopped by a piece of paper, but what happens to a helium nucleus after it loses all its energy in matter? Does it became part of the material or does it …
Why is hydrogen the most abundant element in the Universe?
Jul 20, 2018 · Hydrogen is the most abundant element in nature. Does cosmological nucleosynthesis provide an explanation for why is this the case? Is the explanation …