21 10 / 2014

in physics e&m class we’re learning about capacitors and the unit for capacitance is ‘farads’ and today in lab my lab partner asked me what the capacitance was and i swear to god i looked her right in the eyes and said “one farquad” it was like a freudian slip except instead of revealing repressed thoughts about sex it was repressed thoughts about shrek

20 10 / 2014

public restrooms make me uncomfortable because I don’t like people hearing me pee but at least I’m not harassed or assaulted by random members of the public who decided they were the fucking gender police

19 10 / 2014

  • 1: if primeapes evolved from mankeys then why is there still mankeys

19 10 / 2014

one time at a homestuck panel someone in the audience asked terezi what all the trolls smell like and so she was giving off typical answers like karkat smells like cherry candy, vriska smells like blueberry, tavros smells like chocolate etc etc

and then someone in the front row pointed to a hussie cosplayer and was like “what does this orange dude smell like”

and terezi didnt even hesitate she just immediately responded “death.” and the crowd fuckin lost it

19 10 / 2014

wckdofficial replied to your post: wckdofficial said:my dads a giant…

maybe theyr just on a different wavelength so they can hear ghost sound waves or something so theyre constantly a couple of seconds behind like real life lag

omg

just imagine the first time a ghost goes back in time and theyre with their bud and the ghost tries to prevent something from happening but they’re a couple seconds too late and their bud is like ‘wow’ an the ghost is just like ‘SHUT UP IT WAS THE LAG

19 10 / 2014

wckdofficial said: my dads a giant tool so whenever i talk about ghosts he always brings up like how do they hear if their ear drums cant be vibrated by sound waves? how can light hit the retina?? wouldnt it just pass through??????? so technically all ghosts just kind of float around not seeing or hearing anything

why does he think sensing is limited to our feeble 5 senses?  We’re so limited in our ability to sense things. We can’t even detect the electric pulses that living beings give off, like some sea creatures can.  Clearly ghosts have certain characteristics to their forms that allow them to sense things differently than just sight and smell and hearing and touch and taste.  Perhaps they can sense auras.  Or heat.  Or some other wacky thing that we don’t even know that exists because we’re so so limited in our senses I’m outraged WHY CAN SHRIMP SEE COLORS I CANT

19 10 / 2014

(Source: okaishi, via skellingtontrain)

19 10 / 2014

going off the whole “ghosts don’t have a corporeal form and are not bound by the passage of time”

imagine being haunted by your own ghost

like in some possible future you die and you’re like nAH MAN THAT WAS SUCH A BAD WAY TO DIE WHAT THE HELL I DESERVE BETTER so you go back and haunt yourself causing little things to happen culminating in, for example, you leaving the house just a few minutes later than you would have - causing you not to get caught in a terrible car accident just some ways up the road

except wait damn God must really want you dead because, due to your future-ghost’s meddlings, you STILL die not long after that like since you left the house at 9:04 instead of 9:00 sure you don’t get into that car accident but someone accidentally knocks something off a windowsill while you’re walking into where you work and BAM it hits you RIGHT ON THE HEAD

so your ghost is like WHHHAT THE HELL so you go back AGAIN and haunt yourself to prevent THAT death from happening but no matter what you do you keep dying and you’re essentially homura akemi and your past self is madoka kaname and suddenly i ship you and your future ghost and i’m looking for all the fanfiction that’s been written about you finding all the quality fanart and I’m crying about you two at 3 am and this post is just a long way of saying that I may or may not have a thing for paranormal selfcest and I am going to go log off goodby

19 10 / 2014

Anonymous said: Actually the spirit of present mentions that he is less than a year old because he's actually the spirit of christmas so he dies when christmas is over and another spirit is born when people start thinking about it's christmas time. And I think showing someone the results of a possible future is different from hailing from the future and fucking with someone until the butterfly effect takes over. I'm actually trying to prove that you have a unique idea though, please don't take this personally

I will FIGHT you I am DULL AND UNINTERESTING thank u tho that is very sweet [cute flattered emoticon]

I do remember that about the spirit now yes

And I mean.  There is no one future.  Someone else said something along the lines of what you’re saying, but…  The point of anyone going back in time is to change the future they experienced into a new one, and there are infinite possibilities of the future, there is no singular path that must be followed. That’s the whole point of going back in time, so you can push things to a different path!  So the spirit was kind of like a ghost hailing from that particular future, in that the spirit knew what would happen if things didn’t change, and the spirit was trying to get that change to happen.

Naturally stories under the premise I described can take vastly different routes, and not all of them are necessarily “fuck with someone until butterfly effect”.  One storyteller might decide that’s the way their ghost character would operate, especially if in their world ghosts can’t be seen or interact with people (besides turning the lights on and off or w/e), but another storyteller might be like, nah, in this scenario the ghost can actually talk with the person.  So it’s up to the storyteller what to do with this idea!  Like how time travel stories can be different - sometimes a time traveler just walks up to a person and goes “hey i’m your grandchild here to do a thing” and sometimes they’re like nOPE NO ONE CAN KNO I AM FROM FUTURE ect ect

tl;dr: the spirit of christmas future coming to scrooge and bein like “hey, this is future that as far as I know, happens. Please don’t let that happen” still falls under part of the thing I described altho you are correct he was not technically haunted by a ghost from the future

19 10 / 2014

NOW IM SUPER PUMPED ABOUT PHYSICS ASK ME FOR ALL THE HOMEWORK HELP I WILL DO YOUR HOMEWORK FOR YOU

……. SHE SAYS WHILE PROCRASTINATING STUDYING FOR THERMODYNAMICS

19 10 / 2014

fethry:

im?????

I will help you more, friend:
This is a velocity vs time graph.  We’re all used to seeing displacement vs time graphs, so velocity v time and acceleration v time graphs are very difficult to read at first! It’s okay, you’ll get better with practice.
(I will refer to x axis here, but note that in this case the y axis is labeled for velocity and the x axis is labeled for time.)
a.)  The particle is moving forward when the graph is positive.  When the lines are above the x axis, it’s positive!  This means that the particle is moving in the positive direction!  (Forward!)  (t = 2 to 4, t = 6 to 10)
When the line is on the x axis, then v = 0!  This is easy to see because the y axis on this graph is velocity. So if v = 0, then the particle is stationary!  (t = 0 to 2, 4, 6, 10)
And when the graph is blow the x axis, the particle is moving in the negative direction!  (Backward!)  (t = 4 to 6)
It is speeding up when the graph has a positive slope, and slowing down when the graph has a negative slope.  (Notice that at t=2 s, v=0 m/s, but after a positive slope t=3 s and v=4 m/s.)  So when velocity is getting larger, it is speeding up.  It is easy to see that the velocity is increasing from t = 2 to 3 and from t = 6 to 7 - but there’s another tricky level to this: the velocity is also increasing from t = 4 to 5.  Why?  Well, the velocity was moving in the positive direction from 2 to 4, that is easy to see.  But at t = 3, the velocity started slowing down until it stopped (v=0 at t=4) and then… started moving in the negative direction!  So from 4 to 5, the velocity was increasing - but in the negative direction!  Then at t = 5 it starts accelerating in the positive direction again, slowing the negative motion until the particle stops again (v=0 at t=6) and then the particle starts speeding up in the positive direction!
b.) why did they ask you when it was speeding up/ slowing down in the first question, and then ask you about the sign of the acceleration in the second question?  They are the same thing.  Give me the name of this software developer i will slap them with a physics textbook
Acceleration = derivative of velocity = slope of velocity vs time graph
Acceleration positive when slope positive
Acceleration negative when slope negative
(*** Please remember the thing I was talking about with tricky directions and things, you should look at this graph and visualize the motion of the particle for each point in time to avoid being caught by tricky questions)
Acceleration zero when slope zero (ie, t = 0 to 2, t= 7 to 8)
c.) The particle is moving at its greatest speed when the velocity is greatest.  When is the graph at maximums?  (Don’t forget when it’s moving in the negative direction though, - 4 m/s is just as fast as 4 m/s, they’re just going in different directions!)
d.)  The particle is standing still when v = 0!  So at t = 4, 6 and 10 it’s stationary for only an instant, but at the start it is stationary for a couple seconds.  
(Note that, although there is no acceleration from t = 7 to 8, there is still a constant velocity during that time.)
I hope I helped you a little here, physics is fun but it’s very tricky at first!

fethry:

im?????

I will help you more, friend:

This is a velocity vs time graph.  We’re all used to seeing displacement vs time graphs, so velocity v time and acceleration v time graphs are very difficult to read at first! It’s okay, you’ll get better with practice.

(I will refer to x axis here, but note that in this case the y axis is labeled for velocity and the x axis is labeled for time.)

a.)  The particle is moving forward when the graph is positive.  When the lines are above the x axis, it’s positive!  This means that the particle is moving in the positive direction!  (Forward!)  (t = 2 to 4, t = 6 to 10)

When the line is on the x axis, then v = 0!  This is easy to see because the y axis on this graph is velocity. So if v = 0, then the particle is stationary!  (t = 0 to 2, 4, 6, 10)

And when the graph is blow the x axis, the particle is moving in the negative direction!  (Backward!)  (t = 4 to 6)

It is speeding up when the graph has a positive slope, and slowing down when the graph has a negative slope.  (Notice that at t=2 s, v=0 m/s, but after a positive slope t=3 s and v=4 m/s.)  So when velocity is getting larger, it is speeding up.  It is easy to see that the velocity is increasing from t = 2 to 3 and from t = 6 to 7 - but there’s another tricky level to this: the velocity is also increasing from t = 4 to 5.  Why?  Well, the velocity was moving in the positive direction from 2 to 4, that is easy to see.  But at t = 3, the velocity started slowing down until it stopped (v=0 at t=4) and then… started moving in the negative direction!  So from 4 to 5, the velocity was increasing - but in the negative direction!  Then at t = 5 it starts accelerating in the positive direction again, slowing the negative motion until the particle stops again (v=0 at t=6) and then the particle starts speeding up in the positive direction!

b.) why did they ask you when it was speeding up/ slowing down in the first question, and then ask you about the sign of the acceleration in the second question?  They are the same thing.  Give me the name of this software developer i will slap them with a physics textbook

Acceleration = derivative of velocity = slope of velocity vs time graph

Acceleration positive when slope positive

Acceleration negative when slope negative

(*** Please remember the thing I was talking about with tricky directions and things, you should look at this graph and visualize the motion of the particle for each point in time to avoid being caught by tricky questions)

Acceleration zero when slope zero (ie, t = 0 to 2, t= 7 to 8)

c.) The particle is moving at its greatest speed when the velocity is greatest.  When is the graph at maximums?  (Don’t forget when it’s moving in the negative direction though, - 4 m/s is just as fast as 4 m/s, they’re just going in different directions!)

d.)  The particle is standing still when v = 0!  So at t = 4, 6 and 10 it’s stationary for only an instant, but at the start it is stationary for a couple seconds.  

(Note that, although there is no acceleration from t = 7 to 8, there is still a constant velocity during that time.)

I hope I helped you a little here, physics is fun but it’s very tricky at first!

19 10 / 2014

Anonymous said: Actually I wouldn't say that's Christmas Carol-y. In Christmas Carol, all of the ghosts are /spirits/ rather than ghosts of people who were alive, with the exception of Marley, who was not from the future. Also, none of the ghosts actually haunt Scrooge, nor do they time travel in such a way that they can make changes to the past.

? The Ghost of the Future literally appears to prevent Scrooge’s future of dying alone and bitter

like, he shows Scrooge his grave and he’s like lol here’s where you die also no one likes you also a bunch of other peoples’ lives suck that little boy DIES so stop being such an ass like forreal

and if I’m remembering 8th grade correctly then I’m pretty sure the origins of the three spirits were never discussed so they could be anyyyyoneeeee

19 10 / 2014

axionfior replied to your post: sure the whole “person from future usi…

a Christmas carol?

/MOSHES   THANK U I WAS TRYING SO HARD TO THINK OF A STORY WHERE THIS WAS DONE BEFORE AND I WAS LIKE ‘it has to have been we’ve reached the point in human history where every idea has been had before’ 

19 10 / 2014

sure the whole “person from future using new technology to go into the past and change it” trope is cool but 

imagine if it wasn’t literally the living person using a time machine to go into the past

imagine ghosts that, since they are not bound by corporeal forms, they are consequently not bound by the passage of time 

spirits who can be like “damn that thing that happened sucked I’m gonna just go back and haunt the person who eventually caused it” and “if this one thing does not happen we can avoid global catastrophe, I must prevent this from happening” 

imagine stories where people are haunted by ghosts of the future 

16 10 / 2014

Anonymous said: soon she'll convert you to one of us, a homestuck

grey skin, sketchy sunglasses?  new headcanon, all anon asks are sent by homestucks. all of them