In special and general relativity, a light cone (or "null cone") is the path that a flash of light, emanating from a single event (localized to a single...

In physics, particularly special relativity, light-cone coordinates, introduced by Paul Dirac and also known as Dirac coordinates, are a special coordinate...

The cone of light, or light reflex, is a visible phenomenon which occurs upon examination of the tympanic membrane with an otoscope. Shining light on the...

more specifically Minkowski space, physicists often refer to a "light cone". A light cone represents any possible future evolution of an object given its...

Cone cells or cones are photoreceptor cells in the retinas of vertebrates' eyes. They respond differently to light of different wavelengths, and the combination...

past light cone. So in timelike intervals Δct is greater than Δx, making timelike intervals positive.: 220  The region exterior to the light cone consists...

resulting string field theories can be very different. Using light cone gauge, yields light-cone string field theories whereas using BRST quantization, one...

light cones from these events intersect the particle's world line. On the other hand, if the particle is accelerating, in some situations light cones...

The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately...

this principle is the light cone, which is constructed as follows. Taking as event p {\displaystyle p} a flash of light (light pulse) at time t 0 {\displaystyle...

special relativity, the future is considered absolute future, or the future light cone. In the philosophy of time, presentism is the belief that only the present...

time, manifested in waves (e.g. light and sound) travelling only expanding (rather than focusing) in time (see light cone); Entropic arrow of time: according...

of the ladder comes into the light cone of the collision (i.e., a point where force moving backwards at the speed of light from the point of the collision...

emits only light that arrives nearly perpendicular to the semiconductor's surface, in a cone shape referred to as the light cone, cone of light, or the escape...

spacetime. In this space, there is a defined light-cone associated with each point, and events not on the light cone are classified by their relation to the...

dimension. The units of measurement in these diagrams are taken such that the light cone at an event consists of the lines of slope plus or minus one through that...

of the light cones changes as we travel out from the axis of symmetry r = 0 {\displaystyle r=0} : When we get to the critical radius, the cones become...

paths, or more accurately the future light cone containing all possible world lines (in this diagram the light cone is represented by the V-shaped region...

another type): light-like curves, having at each point the speed of light. They form a cone in spacetime, dividing it into two parts. The cone is three-dimensional...

In theoretical physics, light cone gauge is an approach to remove the ambiguities arising from a gauge symmetry. While the term refers to several situations...

not in the back (past) light cone of that event. Similarly, a cause can not have an effect outside its front (future) light cone. Causality can be defined...

light cone of x {\displaystyle x} as the future and past null cones of x {\displaystyle x} together. elsewhere as points not in the light cone, causal...

large quantum systems, including nuclei. For example, in the discretized light-cone quantization method (DLCQ), periodic conditions are introduced such that...

420 nm than at any other wavelength. Light of a longer wavelength can also produce the same response from an S-cone, but it would have to be brighter to...

concentration changes of cGMP due to light input into the retina.[citation needed] Upon activation by light, cone opsin causes the exchange of GDP for...

objects and light are not additive. It is not possible to make the speed of light appear greater by moving towards or away from the light source. Consider...

equip a weapon known as a Light Cone, that has various effects that activate if the Paths of both the character and Light Cone match. Characters can also...

types of higher-intensity light receptors (called cone cells in vertebrates as opposed to rod cells, which are lower-intensity light receptors) with different...

and a time d/c in the past. For this reason the null dual cone is also known as the "light cone". (The point in the lower left of the Fig. 10-2 represents...

we live within their past light cone. But we cannot receive signals from those parties and places outside our past light cone. Along with the formulation...