Helium

Upgrades Yield Increased Cryogenic Power At Large Hadron Collider

The Large Hadron Collider (LHC) is one of the coldest places on Earth. The 1.9 K (-271.3 °C) operating temperature of its main magnets is even lower than the 2.7 K (-270.5 °C) of outer space. To get the LHC to this temperature, 120 tons of liquid...
Related topics: Large Hadron Collider

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A Spanish Startup Wants To Challenge Blue Origin, Spacex, And Virgin Galactic By Taking Tourists To...

Sustainability is a top priority for the company so helium will be used to float the capsules. EOS-X Space Spanish startup EOS-X Space wants to take 10,000 people to the edge of space within the next 10 years. The journeys will be in pressurized...
Related topics: Startup, SpaceX, Space, Virgin Galactic

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Validating The Physics Behind The New Fusion Experiment

SPARC is planned to be the first experimental device ever to achieve a 'burning plasma' -- a self-sustaining fusion reaction in which different isotopes of the element hydrogen fuse together to form helium, without the need for any further input of...
Related topics: Physics, Hydrogen

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Tabs

Our portfolio company Helium started shipping a new product called Tabs last week. Tabs competes with Tile and a bunch of other Bluetooth trackers and smart dog collars. But Tabs uses the Helium network (aka The People’s Network) and that...
Related topics: Bluetooth

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Why There Is No Speed Limit In The Superfluid Universe

Physicists have established why objects moving through superfluid helium-3 lack a speed limit; exotic particles that stick to all surfaces in the superfluid. The discovery may guide applications in quantum technology, even quantum computing, where...
Related topics: Physics, Scientific Discoveries, Quantum

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How Planetary Nebulae Get Their Shapes

About 7.5 billion years from now, our sun will have converted most of its hydrogen fuel into helium through fusion, and then burned most of that helium into carbon and oxygen. It will have swollen to a size large enough to fill the solar system...
Related topics: Sun, Hydrogen, Space

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How To Calculate How Many Helium Balloons David Blaine Needed

I'm not saying you should float yourself up into the air, but if you wanted to, you need to take pressure, density, and a few other things into account.

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Watch Brave Idiot David Blaine Ascend 24,000 Feet While Holding Onto Helium Balloons

David Blaine is an illusionist and a magician, although his latest stunt falls under neither category. In Ascension, which aired on YouTube earlier today, David Blaine ascends into the Arizona sky with the aid of 52 large helium balloons. I don't...
Related topics: Youtube

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Slippery Superfluids Push Jets To Breaking Point

A unique type of helium that can flow without being affected by friction has helped a KAUST team better understand the transformation of rapidly moving liquids into tiny droplets.

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Nasa Sounding Rocket Finds Helium Structures In Sun's Atmosphere

Helium is the second most abundant element in the universe after hydrogen. But scientists aren't sure just how much there actually is in the Sun's atmosphere, where it is hard to measure. Knowing the amount of helium in the solar atmosphere is...
Related topics: NASA, Space, Sun, Hydrogen

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Could Mini-neptunes Be Irradiated Ocean Planets?

Many exoplanets known today are 'super-Earths,' with a radius 1.3 times that of Earth, and 'mini-Neptunes,' with 2.4 Earth radii. Mini-Neptunes, which are less dense, were long thought to be gas planets, made up of hydrogen and helium. Now,...
Related topics: Space, Exoplanets, Hydrogen

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Stars Like Our Sun Become Lithium Factories As They Die

In the beginning, the big bang created three elements: hydrogen, helium, and lithium. But it only produced a trace of lithium. For every lithium atom created, the big bang produced about 10 billion hydrogen atoms, and 3 billion helium atoms. The...
Related topics: Sun, Lithium, Big Bang, Hydrogen

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Light Nucleus Predicted To Be Stable Despite Having Two Strange Quarks

Adding an exotic particle known as a Xi hyperon to a helium nucleus with three nucleons could produce a nucleus that is temporarily stable, calculations by RIKEN nuclear physicists have predicted. This result will help experimentalists search for...
Related topics: Physics

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Research Reveals How Material Defects Influence Melting Process

In 1972, physicists J. Michael Kosterlitz and David Thouless published a groundbreaking theory of how phase changes could occur in two-dimensional materials. Experiments soon showed that the theory correctly captured the process of a helium film...
Related topics: Physics

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Physicists Study Mirror Nuclei For Precision Theory Test

A precision measurement of helium and hydrogen mirror isotopes reveals new questions in understanding of nuclear structure.
Related topics: Physics, Hydrogen

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Long-lived Pionic Helium: Exotic Matter Experimentally Verified For The First Time

Exotic atoms in which electrons are replaced by other subatomic particles of the same charge allow deep insights into the quantum world. After eight years of ongoing research, a group led by Masaki Hori, senior physicist at the Max Planck Institute...
Related topics: Electrons, Quantum, Physics

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New 'brick' For Nanotechnology: Graphene Nanomesh

Researchers at Japan Advanced Institute of Science and Technology (JAIST) have successfully fabricated suspended graphene nanomesh in a large area by helium ion beam microscopy. Six nm diameter nanopores were uniformly patterned on the 1.2 um long...
Related topics: Graphene

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What Do Soap Bubbles And Butterflies Have In Common?

A unique butterfly breeding experiment gave researchers an opportunity to study the physical and genetic changes underlying the evolution of structural color, responsible for butterflies' iridescent purples, blues and greens. Using helium ion...
Related topics: Genetics

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Frozen-planet States In Exotic Helium Atoms

Exotic subatomic particles that are like 'normal' particles apart from one, opposite, property—such as the positron, which is like an electron but positively rather than negatively charged—are collectively known as antimatter. Direct studies of...
Related topics: Space, Positrons, Electrons, Antimatter

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Liquid Helium-free Srf Cavities Could Make Industrial Applications Practical

The building blocks of superconducting accelerators are superconducting radiofrequency (SRF) cavities made primarily from niobium that are combined in a vessel and bathed in liquid helium to reach superconducting temperatures. While a large liquid...
Related topics: Superconductors

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