Physics: Electrostatics WCLN.ca Part 1: Core Basic Research: Describe the basic structure and function of a cathode ray tube from this era. Include any significant dates and scientists. Complete the table below (be sure to quote sources in a Bibliography format- be sure to look up proper formatting from a reputable source) Cathode ray tube What was observed? What this showed ? (ic. What did this prove about the physical nature of a "cathode ray"?) Maltese cross tube can be used +o show cathode raysina Some ofthe propertiess of a beam of electrons Straigh+ ines by Maltose cross Crookes tube are るen すs ヤrava)in CaSHAGa sharp hadew of a Maltese e'rosis an fluorescing giasS. THEY can also b eflecte by maanet iea -induction coll Screen display tube with magnets scroen display Paddle wheel tube rotating wheel wheel wheel Screen display tube with electric plates electric plates 2021-07-14 Page 3 of 7

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.