Fine-tuning emissions from quantum dots

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Tiny particles of matter called quantum dots, which emit light with exceptionally pure and bright colors, have found a prominent role as biological markers. In addition, they are realizing their potential in computer and television screens, and have ...

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Bellevue company seeking funds to build space telescope

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“Our goal is to democratize access to space,” he said. The company doesn't need the public's money to support its asteroid mining efforts, Diamandis added. They see the donations as more of a confirmation that people are really interested in taking ...

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High-Strength Chemical-Vapor–Deposited Graphene as large as TV screens ...

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However, large-area graphene films produced by means of chemical vapor deposition (CVD) are polycrystalline and thus contain grain boundaries that can potentially weaken the material. We combined structural characterization by means of transmission ...

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Fine-tuning emissions from quantum dots

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MIT researchers have generated mature liver cells from induced pluripotent stem cells. In this image, the cell nuclei are stained blue. The green stain identifies liver cells, and the red spots represent mature liver cells.Image: Shan et al, Nature ...

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Space tourism safety meeting + Branson and Bezos to talk space

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A report on the recent space safety conference in Montreal: Space tourism industry faces safety concerns: Industry watchers concerned that safety risks for space ...

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Upcoming Camera Sensor Eliminates Need for Flash

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Graphene, which is a one atom-thick layer of the mineral graphite, has already earned a reputation as the building material of the future. Andre Geim and Konstantin Novoselovtook home the Nobel Prize in physics in 2010 for their work with the compound.

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Graphene, even if stitched together, is strongest material in the world

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Researchers from Columbia University have shown that graphene, even if stitched together from many small crystalline grains, is the strongest material in the world. This experiment brings to a successful conclusion that contradiction between ... See all stories on this topic »

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Dark matter researcher gets top honour in science awards - RSAA ...

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Professor Ken Freeman from the Australian National University has been awarded the Australian Academy of Science's highest honour for research in the ...

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Why Dark Matter cannot be measured. - Speculations - Science Forums

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Why Dark Matter cannot be measured. - posted in Speculations: What if Dark Matter is not measurable? What if Dark matter or Dark Energy is in fact something ...

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New Asteroid Families Discovered - NASA Science

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Astronomers using data from NASA's Wide-field Infrared Survey Explorer (WISE) have identified 28 new families of asteroids.

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Massive asteroid with moon zips by Earth; White House holds 'We the Geeks ...

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During the chat, the commentators discussed asteroid identification and characterization, as well as resource utilization and hazard mitigation. President Barack Obama's new budget includes allowances to continue to study asteroids and how we can ...

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Use of quantum dots with LCD screens in consumer devices edging ...

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Quantum dots are very small bits of semiconducting nano-crystals—they're useful ... The company offer three models, all of which use quantum dots in their ...

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New graphene sensor could make low-light photos stand out

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With those properties, graphene can be used to create a variety of objects, from cheap and efficient solar panels to high-quality headphones. The material is difficult to manufacture for now, but future advances in manufacturing technology is expected ... See all stories on this topic »

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Graphene Stitched Together from Crystalline Grains is Almost as Strong as ...

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In its perfect crystalline form, graphene (a one-atom-thick carbon layer) is the strongest material ever measured, as the Columbia Engineering team reported in Science in 2008—so strong that, as Hone observed, “it would take an elephant, balanced on a ...

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Graphene is the strongest material in the world - even patched together

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Graphene is still the strongest material on Earth, even when patched together according to a new studied published in the journal Science. Graphene is made up from rings of carbon atoms, joined together in sheets, similar to graphite found in pencils. See all stories on this topic »

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Port Discover: Graphene may be the miracle we've all been looking for

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Futurists predict that we are going to have electronic displays embedded in windows, glasses, walls, and even in clothes. Graphene's thin and transparent nature make it a logical choice for these types of applications. Because the material must be ...

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Planetary Resources Raise Funds for Space Telescope

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Planetary Resources is a fledgling mining company, which has raised more than $500,000 in just a few days with the help of citizens of the world. The fund will support their project to put a small space telescope into orbit around the earth. The ... See all stories on this topic »

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Astronomers see a lucrative asteroid-mining industry in our future

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In an article published in the Journal of Aerospace Engineering, Kennedy Space Center physicist Phil Metzger and colleagues note that the asteroids are believed to hold large quantities of iron, titanium, water, and other resources that are in high ... See all stories on this topic »

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