"Piano Phase," along with Terry Riley's "In C" and Philip Glass's "Music in Similar Motion," marked a turning point.
The diffuse aurora, manifesting as a uniform structure, featured instant brightening and subsequent poleward motion marked by the white arrow in Fig. 6a.
A central image in his work is the "radiant baby", recalling his love of comic strips with its cartoony motion marks.
The cross-party unity behind the Commons motion marks a change for all the parties, who have had to respond rapidly to events that have changed by the hour, if not by the minute.
The ability to begin motion marks freedom as a power only held by non-material agents, because matter has no power of self-motion.
The ox was black, sleek, muscular; when it plodded into the spotlight, under the guidance of a wrangler, the stage crew and other rehearsing performers shifted tensely, as if each motion might mark the start of a faena.
The letter, organised by the Labour MP Seema Malhotra, comes as her fellow MPs on Thursday debate a Commons motion to mark the International Day for the Elimination of Violence against Women and Girls.
The images tend to be eerily still; all that moves is the river, its motion occasionally marked by passing boats or, in the nearly abstract shots with which the film closes, by the relentless flow of broken ice, seen from above, racing past a stone footing of a bridge.
In Westminster, Mr Sheridan has tabled an early day motion to mark 10 years from the tragedy.
