Time and Space

In physics, spacetime (or space-time, space time, space-time continuum) is any mathematical model that combines space and time into a single continuum. Spacetime is usually interpreted with space as being three-dimensional and time playing the role of a fourth dimension that is of a different sort from the spatial dimensions. From a Euclidean space perspective, the universe has three dimensions of space and one dimension of time. By combining space and time into a single manifold, physicists have significantly simplified a large number of physical theories, as well as described in a more uniform way the workings of the universe at both the supergalactic and subatomic levels.

In non-relativistic classical mechanics, the use of Euclidean space instead of spacetime is appropriate, as time is treated as universal and constant, being independent of the state of motion of an observer. In relativistic contexts, time cannot be separated from the three dimensions of space, because the observed rate at which time passes for an object depends on the object's velocity relative to the observer and also on the strength of gravitational fields, which can slow the passage of time.

MH17 victim families sue Putin, Russia in European rights court

Edit Dawn 21 May 2016

SYDNEY. Families of victims of Malaysia Airlines flight MH17, which was shot down over Ukraine in 2014, are suing President Vladimir Putin and Russia for Aus$10 million each in the European Court of Human Rights, The Sydney Morning Herald reported on Saturday ... DAWN_VIDEO - /1029551/DAWN-RM-1x1 ... ....

photo: Creative Commons / Bulent KAVAKKORU

EgyptAir Flight 181 (aircraft pictured) is hijacked shortly after takeoff and forced to land at Larnaca International Airport in Cyprus.

EgyptAir flight: 'Smoke detected' inside cabin before crash

Edit The Times of India 21 May 2016

PARIS. France's aviation safety agency said Saturday that the EgyptAir A320 that crashed into the eastern Mediterranean with 66 people on board had transmitted automatic messages indicating smoke in the cabin. "There were ACARS messages emitted by the plane indicating that there was smoke in the cabin shortly before data transmission broke off," a spokesman of France's Bureau of Investigations and Analysis told AFP ... ....

photo: AP / Susan Walsh

President Barack Obama heads to Marine One on the South Lawn of the White House in Washington, Saturday, May 21, 2016. Obama is leaving on a weeklong, 16,000-mile trip to Asia as part of his effort to pay more attention to the region and boost economic and security cooperation.(AP Photo/Susan Walsh)

Obama Leaves For Asia To Boost Trade, Cooperation

Edit TPM 21 May 2016

WASHINGTON (AP) — President Barack Obama departed Saturday on a weeklong, 16,000-mile trip to Asia, part of his effort to pay more attention to the region and boost economic and security cooperation. He'll spend three days in Vietnam, with stops in Hanoi and Ho Chi Minh City, formerly Saigon, for meetings with leaders, a speech on U.S.-Vietnam relations, visits to cultural treasures and sessions with civic leaders and entrepreneurs ... ....

photo: AP / Jens Meyer

Migrating cranes fly in front of the sun during sunset near Straussfurt, central Germany, Saturday, Nov. 1, 2014.

The World's Largest Solar Plant Just Torched Itself

Edit Gizmodo 20 May 2016

Putting 347,000 mirrors in the desert faced towards the sun clearly has its disadvantages ... ....

photo: AP / A.M. Ahad

Bangladeshi people walk through a waterlogged street after heavy rainfall in Dhaka, Bangladesh

Cyclone Roanu kills 23 in Bangladesh

Edit The National 21 May 2016

Chittagong // Cyclone Roanu killed 23 people in Bangladesh on Saturday and forced hundreds of thousands to flee their homes amid strong winds and heavy downpours. Authorities took more than 500,000 people into shelters as the cyclone made landfall just after noon, packing winds of up to 88 kilometres per hour ... "Thousands of villagers were forced to flee their homes after the storm surge flooded their villages," he said....

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BMC to provide open spaces to encourage budding artists

Edit DNA India 22 May 2016

To promote art and culture, the Brihanmumbai Municipal Corporation (BMC) will allow the open art galleries, art corners in the open spaces of the city so that the budding artists, who cannot afford expensive spaces, can avail temporary permissions for their shows ... These experiments are time tested and has been successful from quite some time," said a civic official....

'ET Comes Home' for NASA fuel tank's ride to LA site

Edit The Times of India 22 May 2016

space shuttle Endeavour ... Crowds were smaller this time, but rows of spectators and children in homemade astronaut helmets lined the curbs along the route to see the tank pass and pose for selfie pictures with it ... But it is neither as wide nor tall as the space shuttle, allowing it to squeeze more easily through the streets of the second-largest U.S ... National Aeronautics and Space Administration (NASA) donated the tank....

Space fans cheer shuttle tank on path to museum in Los Angeles

Edit San Francisco Chronicle 22 May 2016

Space fans cheer shuttle ... [...] it’s going to make us happy, astronaut Mike Fincke, who flew on the Endeavour’s final flight in 2011, told the Los Angeles Times....

Space shuttle tank proceeding ahead of schedule

Edit The Washington Times 22 May 2016

LOS ANGELES (AP) - The Latest on a space shuttle fuel tank heading to a Los Angeles museum (all times local).. 5 p.m. The colossal space shuttle fuel tank ET-94 has reached South Los Angeles and is expected to arrive at its destination ahead of schedule. A spokeswoman for the ... ....

The Latest: Space shuttle tank proceeding ahead of schedule

Edit The Oklahoman 22 May 2016

LOS ANGELES (AP) — The Latest on a space shuttle fuel tank heading to a Los Angeles museum (all times local). ... The colossal space shuttle fuel tank ET-94 has reached South Los Angeles and is expected to arrive at its destination ahead of schedule ... A gigantic space shuttle fuel tank is creeping through streets near Los Angeles on its way to a science museum....

The New Space Race: 3 Commercial Spacecraft Operators To Sell Tickets For $150,000!

Edit Modern Ghana 22 May 2016

Gone are the days when America and Russia used to battle it out for supremacy in space ; trying to put the first man in space, landing a man on the moon and bringing him back safely. Nowadays the two old rivals are quite happy to invest their joint knowledge and resources in the maintenance of the International Space Station ... The front runners in this new race who have either built or are building space vehicles are.....

Burying Labor's Education Revolution in Walgett

Edit Sydney Morning Herald 22 May 2016

GHD designed public schools with community spaces open to the public and large glass doors that help indigenous children stay connected to nature in schools in central western NSW after seeking the input of local indigenous communities ... We wanted to spend time with them and hear what it is like living in remote communities," said James Frost, a GHD project manger....

Space shuttle tank completes trek to Los Angeles museum

Edit Boston Herald 22 May 2016

LOS ANGELES — A colossal space shuttle fuel tank completed its 19-hour trek through the streets of Los Angeles on Saturday to join the retired orbiter Endeavour on display at the California Science Center ... Children, a few wearing home-made space helmets, were enthralled ... And it's going to make us happy," astronaut Mike Fincke, who flew on the Endeavour's final flight in 2011, told the Los Angeles Times....

Massive space shuttle tank treks through Los Angeles to museum

Edit Toronto Sun 22 May 2016

LOS ANGELES -- A massive space shuttle fuel tank squeezed through the streets of Los Angeles and loomed over vehicles on a busy freeway Saturday to join the retired orbiter Endeavour on display at the California Science Center ... Children, a few wearing home-made space helmets, were enthralled ... And it's going to make us happy," astronaut Mike Fincke, who flew on the Endeavour's final flight in 2011, told the Los Angeles Times....

Traffic gridlock chokes pilgrim's progress

Edit The Times of India 22 May 2016

Devotees coming from outside Ujjain had to face a tough time first, while reaching the city and second, while going towards the ghats for snan as all arrangements made to ensure smooth flow of traffic within and outside the city seemed to have gone haywire ... With parking spaces having been created ... By Saturday morning, all the parking spaces were full....

Discovery Gateway opens new health-focused exhibit

Edit Deseret News 22 May 2016

SALT LAKE CITY — Natalie and Michael Bird said their three young boys, Jack, Simon and Leo, don't cope well when they spend too much time in front of a TV ... The new play space features a colorful obstacle course, a dig pit filled with recycled material, tunnels, a slide, a yoga area, and space for jumping rope and hula-hooping....

Giant space shuttle fuel tank slowly makes its way through the...

Edit Topix 22 May 2016

but there's more rain due first Giant space shuttle fuel tank slowly makes its way through the streets of Los Angeles to its new home at the California Science Center A 65,000-pound space shuttle external propellant tank began moving to its new home at the California Science Center on Saturday morning A massive space shuttle external propellant ......

Gillian Flynn: One-time lucky?

Edit Dawn 22 May 2016

While the above mentioned reasons may well be part of Flynn’s writing style, she is unable to give due space to all the multiple twists and turns she introduces and eventually the story becomes too convoluted to handle ... And so what salvages The Grownup is the eerie silence each time the scene gravitates towards the Victorian house where Susan lives — Carterhook Manor....