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End Times For Dummies

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7 stunning end of the world predictions

According to scientists, the world could endon March 16, 2880. Asteroid 1950 DA has a 0.3% chance of hittingEarth in 867 years. At 1 km in diameter, rotates once every twohours and six minutes and would cause untold damage were it to hit the earth.The Shrinking Mt Everest, 2015 There was something else going on with thelandscape of Nepal, which nobody would have even thought of us.As the earthquake subsided, what came as a real shocker was that the earth's highestmountain range, Mt. Everest stood 2.8 cm smaller, according to satellite data.Earth's magnetic field flips!

The biggest reason which led the Mayan apocalypsebelievers to predict the end of the world in 2012 was based on the changing patternsof Earth's magnetic fields. However, Earth's magnetic field is stillweakening 10 times faster than normal, at present and can further weaken.Earth's magnetic field flips! The biggest reason which led the Mayan apocalypsebelievers to predict the end of the world in 2012 was based on the changing patternsof Earth's magnetic fields. However, Earth's magnetic field is stillweakening 10 times faster than normal, at present and can further weaken.Earth Will Be Destroyed by Floods and Earthquakes

by 2021.A series of apocalyptic events, including floods and earthquakes will spell the endof the world before 2021, according to a doomsday prophecy.NEW UNKNOWN WEAPON In this scenario a new type of weapon is created.It might be a Fusion Bomb capable of turning the world into a shortterm star, it mightbe a new form of radiation or it might even be a gravitational weapon that stops the worldspinning. TOTAL NUCLEAR WARThe devastation from thermonuclear blasts would be bad enough and would send what wasleft of mankind back to the Stone Age.

The radiation would engulf the planet on ascale that can't be imagined. Within 6 months anyone who was not “blown up� would bevery sick. Within 24 months just about everyone is dead.

The fundamentals of spacetime Part 1 Andrew Pontzen and Tom Whyntie

Space: it's where things happen. Time: it's when things happen. We can measure where things are and when things take place, but in modern physics, we realize when and where are actually part of the same question. Because when it comes to understanding the universe,

we need to replace threedimensional space plus time with a single concept: fourdimensional spacetime. We'll explore and explain spacetime in this series of animations. Animationsé Yeah. Well, we're not very animated are weé

Sure we are! Look, I can go from here to here. Whoa! How'd you get from here to thereé How fast did you goé Did you runé Walké Did you even go in a straight lineé Ah! To answer that, you'll need to make our cartoon physics look more like physics physics. You'll need more panels.

More panels, please! Okay, in each panel, Andrew's in a slightly different place. So I can see each one records where Andrew is at a different time. That's great. But it would be easier to see what's going on if we could cut out all the hundreds of panels and stack them up like a flip book.

Right, now let's flip through the book so that we can see one panel after another getting through 24 in every second. See! I told you it was an animation. Now you can see me walking along. Drawing all those panels and putting them into a flip book is just one way of recording the way I'm moving. It's how animation, or even movies, work.

As it turns out, at my walking speed, it takes two seconds to get past each fence post, and they're spaced four meters apart. So we can calculate my velocity how fast I'm moving through space is two meters per second. But I could've worked that out from the panels without flipping through them.

Black Holes Explained From Birth to Death

Black holes are one of the strangest things in existence. They don't seem to make any sense at all. Where do they come from. .and what happens if you fall into oneé Stars are incredibly massive collections of mostly hydrogen atoms that collapsed from enormous gas cloud under their own gravity. In their core, nuclear fusion crushes hydrogen atoms into helium releasing a tremendous amount of energy

This energy, in the form of radiation, pushes against gravity, maintaining a delicate balance between the two forces. As long as there is fusion in the core, a star remains stable enough. But for stars with way more mass then our own sun the heat and pressure at the core allow them to fuse heavier elements until they reach iron.

Unlike all the elements that went before, the fusion process that creates iron doesn't generate any energy. Iron builds up at the center of the star until it reaches a critical amount and the balance between radiation and gravity is suddenly broken. The core collapses. Within a fraction of a second,

the star implodes. Moving at about the quarter of the speed of light, feeding even more mass into the core. It's at this very moment that all the heavier elements in the universe are created, as the star dies, in a super nova explosion. This produces either a neutron star, or if the star is massive enough, the entire mass of the core collapses into a black hole.

If you looked at a black hole, what you'd really be seeing is the event horizon. Anything that crosses the event horizon needs to be travelling faster than the speed of light to escape. In other words, its impossible. So we just see a black sphere reflecting nothing. But if the event horizon is the black part,

what is the quot;holequot; part of the black holeé The singularity. We're not sure what it is exactly. A singularity may be indefinitely dense, meaning all its mass is concentrated into a single point in space, with no surface or volume, or something completely different. Right now, we just don't know.

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