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How You Move Through The Universe

Look around you. Where are you? Where is this place you are occupying? Somewhere in a room, maybe in a city on a continent on a planet orbitinga star in a galaxy among billions. But... where is all of that? While this may feel like a daft question, it turns out that the concept of an absolute position is something humans made up.

In a nutshell, the universe is a big bag of space that has things in it. If someone removed all these things, the stars and planets and black holes and dust, there would just be empty space left. In empty space, the concept of having a position loses all meaning. Empty space is uniform, the same everywhere.

Video (Kurzgesagt)
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'Night-time solar' technology can now deliver power in the dark
Article
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Tech Xplore

'Night-time solar' technology can now deliver power in the dark

UNSW researchers have made a major breakthrough in renewable energy technology by producing electricity from so-called "night-time" solar power.

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2.35K views23:01

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Artificial intelligence to help autonomous vehicles avoid idling at red lights
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Tech Xplore

Artificial intelligence to help autonomous vehicles avoid idling at red lights

No one likes sitting at a red light. But signalized intersections aren't just a minor nuisance for drivers; vehicles consume fuel and emit greenhouse gases while waiting for the light to change.

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2.3K views08:01

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'Smart' Contact Lens Could Help Treat a Leading Cause of Blindness, Scientists Say
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ScienceAlert

'Smart' Contact Lens Could Help Treat a Leading Cause of Blindness, Scientists Say

A flexible contact lens that senses eye pressure and releases a drug on-demand could help treat glaucoma, the second leading global cause of blindness worldwide.

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2.28K views12:43

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Technology allows amputees to control a robotic arm with their mind
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Medicalxpress

Technology allows amputees to control a robotic arm with their mind

University of Minnesota Twin Cities researchers have developed a more accurate, less invasive technology that allows amputees to move a robotic arm using their brain signals instead of their muscles.

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2.35K views18:00

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These Videos From a Space Probe Flying Past The Sun Are Truly Out of This World
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Article
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ScienceAlert

These Videos From a Space Probe Flying Past The Sun Are Truly Out of This World

A spacecraft looping around the Sun has made its first close approach – and filmed the encounter in glorious detail.

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2.31K viewsedited 08:40

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Engineers investigating NASA's Voyager 1 telemetry data

The engineering team with NASA's Voyager 1 spacecraft is trying to solve a mystery: The interstellar explorer is operating normally, receiving and executing commands from Earth, along with gathering and returning science data. But readouts from the probe's attitude articulation and control system (AACS) don't reflect what's actually happening onboard.

Article
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phys.org

Engineers investigating NASA's Voyager 1 telemetry data

While the Voyager 1 spacecraft continues to return science data and otherwise operate as normal, the mission team is searching for the source of a system data issue.

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2.58K views13:01

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NASA Announces InSight Lander on Mars May Only Have a Few Months Left
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ScienceAlert

NASA Announces InSight Lander on Mars May Only Have a Few Months Left

The InSight Mars lander will cease science operations sometime in the next few months due to a decreasing power supply, mission managers said at a news conference on May 17.

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