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Time Traveler

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  1. Human observer perceives the surrounding world usually through photons that have the maximum speed known to us .... which is not necessarily the maximum speed in the Universe. Due to the perception of the environment through the photons we have this impediment to not observe in "'direct" but in "' resumption" Changes are continuousos.....the speed of change can tend to 0
  2. In the distant past Changes and the speed of change were observed but could not be measured .... Observations such as periodic changes: the movement of revolution (astronomical year) and rotation of the earth (day) around the sun at almost constant speeds, the drain of a quantity of sand in an hourglass at almost constant speed are several examples from the observations of the thinking man. Man could observe the changes and although they unfold at a certain speed but could not measure them. At first the hourglass then the clock helped him measure time, this function, this ratio Change / Speed of change ... an important step forward for human activities ... especially for changing position (movement) at a certain speed .... t = d / v. The change in position could be measured approximately by standards such as pitch, length of a stick, then with another standard, the meter a much more accurate measurement. Speed was much harder to measure but could be calculated v = d / t using two measures obtained with the help of the hourglass (clock) and the meter.
  3. I mean time is a relation between two fundamental properties of the Universe: Change and Speed of change A process of changing or causing something to change from one form/position to another well known is displasement in space. Another one is a chimical reaction.....reactants changing in products
  4. My point of view about time The human observer invented the concept of time and clock because it was difficult for him to measure change and speed of change (rapidity of change or slowness of change) which along with: space, matter, energy, forces, fields, .... are fundamental constituents and properties of the universe. Time is nothing but the relationship between change and the speed of change. Time only makes sense for what is changing at a certain speed, so it is a function of these two. Time is relative depending on the nature of the change: life time, half-life for radioactive substances, reaction time, astronomical time ....
  5. A spectator ion is an ion that exists in the same form on both the reactant side and the product side of a chemical reaction. NH4+ +NO3- +H++OH-=H3O++NH3+NO3-
  6. Can we have a change without a speed of change ?I suppose not In my mind: Time=Change/Speed of change
  7. In first case will be a neutralization reaction between a weak acid and a strong base 5 mol HCOOH+5mol KOH=5 mol HCOOK+5 mol HOH Products are a salt (a conjugate base of a weack acid )and water 6 mol HCOOH+5 mol KOH=1 mol HCOOH+5 mol HCOOK+5 mol HOH is a buffer solution
  8. I thought of the elementary particles as the pieces of the LEGO game (https://en.wikipedia.org/wiki/Lego) I associate a label with each seemingly identical piece Can we sent a fossil for 1 to 10000 years in the past?
  9. Imagine that we attach a label to each elementary particle in the Universe, each label having a unique natural number ... In this model, everything who can be send in past is represented a series of labels. If a thing is sent back in time...a phone for exemple (we assume that it contains the elementary particles with the numbers 7 and 1003) then we will find in the past, simultaneously these elementary particles twice, in the same Universe and at the same time. Do you think it is possible?
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