It seems that time travel has captured the imaginations of people since time began. Einstein’s Special Theory of Relativity speculated that traveling close to the speed of light would physically alter time by dilating it. This means that there should be places where time slows down, and others where time speeds up. Discovery News reports…
It seems that time travel has captured the imaginations of people since time began. Einstein’s Special Theory of Relativity speculated that traveling close to the speed of light would physically alter time by dilating it. This means that there should be places where time slows down, and others where time speeds up. Discovery News reports that Hawking recently expanded on this theory, outlining several theoretically realistic ideas for traveling through time.
Hawking almost perfectly explains his theories in a letter to the Daily Mail in a way that non-cosmologists can understand. He encourages people to think of time as dimension just like width, height and length. Just as when you travel in a car, you can go forward, right or left. The fourth dimension would be time. And all around us are wormholes that could act as a time tunnel.
As Hawking writes, “Down at the smallest of scales, smaller even than molecules, smaller than atoms, we get to a place called the quantum foam. This is where wormholes exist. Tiny tunnels or shortcuts through space and time constantly form, disappear, and reform within this quantum world. And they actually link two separate places and two different times.” The time tunnels are too small for people to travel through, but Hawking and others believe that someday a wormhole could be widened for person or ship to travel through to the future.
Hawking points out that travel backward in time may be impossible due to the cause and effect theory. (For example, if you travel backward and prevent your birth, how could you have ever been born?) Further, Hawking suspects that radiation might collapse the wormholes, rendering them useless anyway.
Another way to time travel rides on the “time as a river” theory. As Einstein proposed before him, there are places where time moves faster and where time moves slower. It depends if there are things that drag on space, much like rocks in a moving river. The Earth itself drags on space, meaning time moves slower on Earth than it does in space. Hawking points out that the Global Positioning System satellite network in space must be adjusted because of this.
Further, Hawking claims black holes may be the key to time travel. He asks us to imagine a spaceship orbiting a super-massive black hole some 26,000 miles away. To us, it would just look like the ship makes one orbit every 16 minutes. As Hawking writes, “A black hole … has a dramatic effect on time, slowing it down far more than anything else in the galaxy. That makes it a natural time machine. … But for the brave people on board, close to this massive object, time would be slowed down. For every 16-minute orbit, they’d only experience eight minutes of time.”
Hawking reminds us that nothing can travel faster than the speed of light, and that time will always slow down right before reaching this speed. Therefore, if we had a ship that could travel near the speed of light, we could also travel in time.
Katherine Butler is a TV writer who writes for the Mother Nature Network.
Reddit user Girlfriendhatesmefor’s three-year-old pitbull, Otis, had recently become overprotective of his wife. So he asked the online community if they knew what might be wrong with the dog.
“A week or two ago, my wife got some sort of stomach bug,” the Reddit user wrote under the subreddit /r/dogs. “She was really nauseous and ill for about a week. Otis is very in tune with her emotions (we once got in a fight and she was upset, I swear he was staring daggers at me lol) and during this time didn’t even want to leave her to go on walks. We thought it was adorable!”
His wife soon felt better, butthe dog’s behavior didn’t change.
Girlfriendhatesmefor began to fear that Otis’ behavior may be an early sign of an aggression issue or an indication that the dog was hurt or sick.
So he threw a question out to fellow Reddit users: “Has anyone else’s dog suddenly developed attachment/aggression issues? Any and all advice appreciated, even if it’s that we’re being paranoid!”
The most popular response to his thread was by ZZBC.
Any chance your wife is pregnant?
ZZBC | Reddit
The potential news hit Girlfriendhatesmefor like a ton of bricks. A few days later, Girlfriendhatesmefor posted an update and ZZBC was right!
“The wifey is pregnant!” the father-to-be wrote. “Otis is still being overprotective but it all makes sense now! Thanks for all the advice and kind words! Sorry for the delayed reply, I didn’t check back until just now!”
Redditors responded with similar experiences.
Anecdotal I know but I swear my dog knew I was pregnant before I was. He was super clingy (more than normal) and was always resting his head on my belly.
realityisworse | Reddit
So why do dogs get overprotective when someone is pregnant?
Jeff Werber, PhD, president and chief veterinarian of the Century Veterinary Group in Los Angeles, told Health.com that “dogs can also smell the hormonal changes going on in a woman’s body at that time.” He added the dog may “not understand that this new scent of your skin and breath is caused by a developing baby, but they will know that something is different with you—which might cause them to be more curious or attentive.”
The big lesson here is to listen to your pets and to ask questions when their behavior abruptly changes. They may be trying to tell you something, and the news may be life-changing.
Throughout history, women have stood up and fought to break down barriers imposed on them from stereotypes and societal expectations. The trailblazers in these photos made history and redefined what a woman could be. In doing so, they paved the way for future generations to stand up and continue to fight for equality.
While conspiracy theories are not limited to any topic, there is one type of event that seems particularly likely to spark them: mass shootings, typically defined as attacks in which a shooter kills at least four other people.
When one person kills many others in a single incident, particularly when it seems random, people naturally seek out answers for why the tragedy happened. After all, if a mass shooting is random, anyone can be a target.
