Showing posts with label Time Travel. Show all posts

Time Travel

Doc Brown’s De Lorean, the Doctor’s TARDIS, Harry Potter and the Prisoner of Azkaban and Charles Dickens’ A Christmas Carol. What do they all have in common? Besides the fact that they’re all a work of fiction, they also deal with time travel.



Charlie McDonell famous internet vlogger
demonstrating the concept of wormholes. 
To many of us time travel seems like something that can only exist in the world of science fiction, but recent studies have shown that time travel is possible. One way of travelling through time is by using a wormhole. Most of you have probably heard the term wormhole before but what you may not know is that physics allows the possibility of actual wormholes. The idea is that in the world that we live in space and time are intrinsically linked to create what is called spacetime. If we take our three-dimensional universe (represented by the piece of paper on the right) and bend it to create an invisible fourth-dimension so that two different pieces of spacetime are pressed together. The point where these two pieces meet is a wormhole. The only problem is that in order for someone to travel through a wormhole from one point of spacetime to another, you would need the amount of energy comparable to a star exploding which a lot of energy. But by the laws of physics there is no rule saying that we could not time travel. Time travel is not impossible just very, very improbable.
Charlie showing the wormhole. 

Even though we may not be able to time travel just as yet, it’s always fun to think about what the rules of time travel could be. One idea is that time is flexible and can change. Take Back to the Future for example. Marty McFly goes back in time and saves his dad, George McFly, from getting hit by a car thus preventing his parents from ever meeting. He has changed the course of history and created a paradox. He has to try and get his parents back together before he starts to disappear. Another idea is a fixed unchangeable timeline. Take Harry Potter and the Prisoner of Azkaban. When Harry and Hermione go back in time to save Sirius Black, Harry realizes that it was him that conjured the patronus that saved him and Hermione from the dementors.


One thing I learnt from watching science fiction is that there are fixed points in time. A fixed point in time is an event or person that makes a long-standing impact on a timeline that it would be dangerous to change them. Like the eruption of Vesuvius or the NASA moon landing. In a most recent episode of the science fiction series Doctor Who, one of the characters changed a fixed point in time. This made time collapse and all of history was playing out at once, but reality was slowly dying. The opposite of a fixed point is a fluxing point. This is a point in time that can change and the rest of history would change around it. For example, if someone goes back in time and changes a decision they made their entire timeline would pivot around that point in time. 


To most of us time travel just seems like something that can only happen in the future, but some people claim to have gone back in time through the phenomenon called a time slip. This is when a person or group of people travel through time via unknown means. The earliest case comes from two English women, Charlotte Anne Moberly and Eleanor Jourdain who claimed they slipped back in time to the gardens of the Petit Trianon at Versailles from the summer of 1901 to the period of the French Revolution in 1789. Another case involves two English couples who were driving through France to a holiday in Spain. They claimed to have stayed overnight at a suspiciously old-fashioned hotel and decided to break their return trip at the same hotel but were unable to find it. Photographs taken during their stay were missing, even from the negative strips, when the pictures were developed. On both accounts the people claimed that the experiences felt too real to be a dream. 


With all this information I given you, I leave you with a quote by Michio Kaku: “Once confined to fantasy and science fiction, time travel is now simply an engineering problem.”

Things I've Learnt From Doctor Who

Doctor Who is an iconic British television program that has been around for almost half a century.Although it is a science fiction program it deals with real life matters and problems.I have laughed and cried but most of all I have learnt. In this article I'll be focusing on the humorous aspects as well as real life problems. Here are a few things that I've learnt from watching the Revival Series of Doctor Who:

1. I Should Probably Hit The Gym 
With Earth being recognized more and more by aliens it should be a good idea to be as physically fit as you can. Running helps. Who knows, maybe one day while I’m working in a massive retail store I might need to run from the mannequins that are now trying to attack me or maybe I’ll have to outrun creepy stone angels that only move when I look away. Basically, running is vital if you want to live. Like Donna said, “Seriously, there’s an outrageous amount of running involved.”

2. Gingers Are Badass 
There’s nothing more badass than a strong willed ginger who knows what they want. Donna, the biggest loud mouth ever, paved the way for gingers everywhere. Her fiery hair reflected her fiery personality giving new meaning to the term “temp”. Plus she was one of the only companions that didn’t fall for the Doctor’s tricks immediately (Rory being the other one: “It’s another dimension.”). Amy Pond is not afraid to speak her mind and her curiosity makes her all the more loveable. She’s not afraid of going into a restricted zone or facing a Dalek. Yes, sometimes she does get into trouble but, then again, how many of us can say that we’ve meet Vincent van Gogh? She’s a ginger nothing can get in her way.

3. Travelling Through Time And Space Could Lead To Danger 
 Everywhere the Doctor seems to go trouble always follows. “Let’s go to 1930’s New York. Nothing could go wrong!” or “I hear the planet Midnight is great. Why don’t we stop by?” There always seems to be an endless supply of aliens trying to attack other planets or attempting (and failing) to evolve. Fact of the matter is Space + Time = Danger. Or maybe travelling with the Doctor equals danger. Either way, make sure you know how to fight off an alien with a water pistol or a plank of wood.

4. The TARDIS is Awesome 

Awesome, right?
“Oh that box, Amy, you’ll dream about that box. It’ll never leave you.” Oh how right you are, Doctor. There have been many countless nights where I’ve gone to bed straight after watching Doctor Who and almost every time I’ve dreamt about the TARDIS. There was even one time when I thought I could the “TARDIS noise” right outside my window. It has such a distinct sound that my sister and I can identify it from a mile away. Yes, just like Mickey and Jackie. It’s a big blue box that’s bigger on the inside, it (sorry! She) has a heart and soul. The TARDIS is a magical box that can never be replaced or upgraded into something new. She is a timeless classic.

5. Not All Aliens Are Bad 
Our prime example being the Doctor but also Jabe from the second episode of the New Series or the Star Whale that just wanted to help the people of the UK. Some aliens are as ignorant of us as we are of them. They just want to live their lives happily the same way we want to. It has taught me that not all aliens are little green men and I shouldn’t be scared of all of them, but if they have plans to attack the Earth then you better run for your life.

6. Never Trust A Good Looking Prime Minister 
Because he’s probably a raging psychopath alien with a desire to take over the Earth just because he wants to. The Master: a man who used to be friends with the Doctor but is now his worst enemy. He is good looking and not to be trusted at all. He’s brainwashed everyone with the Archangel signal and he still looks charming. The first thing you should think about when choosing a possible Prime Minister is his age (if he’s old and ugly he’s your man) don’t go for anyone that’s hot because you might end up being killed by your descendants.

7. The Doctor Likes To Meddle 
He’s always in place he should never be and he’s always doing stuff he never should but he still does it. The Doctor always let’s his curiosity get the best of him. There are lights flickering in Craig’s neighbourhood, “I should probably leave.” But does he? No, he doesn’t! He just walks right into danger. “I’ll just leave Martha back at home! But that man just said he was going change what it meant to be human, I have to find out what he meant!” He is always tasting stuff he shouldn’t be tasting and going to places he shouldn’t be going. The Doctor is inquisitive and no amount of companions could stop him from meddling.

8. Murray Gold Is A Song Writing Genius 
If you watch Doctor Who and don’t know who Murray Gold is then you don’t deserve to be watching it. Murray Gold is the composer for the show and he comes up with most of the musical score in it. You know the Eleventh Doctor’s famous melody? Murray wrote that. One minute he could be composing for an action packed scene with aliens shooting at the Doctor and his companions and the next minute he’ll be scoring the most emotional scene ever. Sometimes he has to do it all in one scene. Being a composer for Doctor Who is challenging because you have to be versatile with the music. There are heart-breaking moments and parts where you just can’t stop laughing (fish custard) and action sequences that all need to be scored by one person. Murray achieves all of this in one episode and he never fails to amaze me. He is probably the only person who can reduce me to tears with a two minute long tune.

Some of the enemies the Doctor has faced in cute cartoon form.
9. Life Is Pretty Dull 
Enter the “I hate my life” phase. After watching Doctor Who and experiencing all these great new things ordinary life seems so dull. Yes, I know it’s just fiction but it still grips you and makes you believe that you could do anything with your life. Like Rose said, “What do I do now? Wake up, go to work, come home, and eat chips and sleep.” Compared to what she has seen normal life is just so boring. There is a part of me that doesn't want the life Rose had to go back to, it has taught me that if something good is going to happen I should probably make it happen. Rose does that it the exact same episode she realises that real life is boring but she's the only one who can change it.

10. Violence Is Never The Answer 
Being a show aimed at the whole family, Doctor Who teaches us that violence doesn’t solve much. One of the principles the Doctor lives by is no violence whatsoever. He is there to help but don’t give him a gun. He try’s his best to fight using words and he never wants to see his enemy die (unless it’s a Dalek). He’s got all this rage within him but he will try his hardest not to lash out at anyone. Still suffering from the time war, he goes the extra mile to prevent anyone’s death. Like when he saved River Song into the Computer or he tried to stop the death of Adelaide Brooke. He has shown me that battles don’t have to be won with fist, guns or swords and that if you sit down and talk like civilized human beings you will achieve so much more.

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