the electrodes (gold) for the alpha penning trap being inserted into the vacuum chamber and cryostat assembly. this is the trap used to combine or 'mix' positrons and antiprotons to make antihydrogen - hydrogen electrode stock videos & royalty-free footage00:10The electrodes (gold) for the ALPHA Penning trap being inserted into the vacuum chamber and cryostat assembly. This is the trap used to combine or 'mix' positrons and antiprotons to make antihydrogenElectron, Physics, Atom