Lifeboat Foundation

(Phys.org)—Researchers have used the pressure of light—also called optical forces or sometimes “tractor beams”—to create a new type of rewritable, dynamic 3D holographic material. Unlike other 3D holographic materials, the new material can be rapidly written and erased many times, and can also store information without using any external energy. The new material has potential applications in 3D holographic displays, large-scale volumetric data storage devices, biosensors, tunable lasers, optical lenses, and metamaterials.

The research was conducted by a multidisciplinary team led by Yunuen Montelongo at Imperial College London and Ali K. Yetisen at Harvard University and MIT. In recent papers published in Nature Communications and Applied Physics Letters, the researchers demonstrated the reversible optical manipulation of nanostructured materials, which they used to fabricate active 3D holograms, lenses, and memory devices.

The key to creating the 3D holographic material with these advantages was to use optical forces to reversibly modify the material’s properties. The optical forces are produced by the interference of two or more laser beams, which creates an optical pressure capable of moving nanoscale structures. So far, optical forces have mainly been used for just one application: optical tweezers, which can hold and move tiny objects and are mostly used in biological applications.

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The United Nations (UN) has announced its first ever official space mission, with the aim of giving developing countries the opportunity to conduct research in a microgravity environment.

The mission, which is intended to launch in 2021, will make use of a Dream Chaser spacecraft – a shuttle-like spaceplane that’s currently in development by American aerospace firm Sierra Nevada Corporation (SNC).

The focus of the mission is to give developing nations – many of which don’t have their own dedicated space operations or craft – a chance to develop and fly payloads for an extended duration in orbit.

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The only thing we know for sure is that everything will change.

Into programming? Now you can be *inside* programming.

Those rumors of Google giving WiFi routers another shot? They’re true. Meet Google WiFi, a router designed entirely in-house… and with a few nice advantages over the OnHub line. Apart from being much smaller (no vase-like design here), its big trick is its ability to create an Eero-style mesh network. You only have to add additional units to your network to improve coverage — there’s a Network Assistant app that makes it easy to add more routers and improve your signal.

Companion software also lets you control the devices linked to the router, such as enabling or disabling their connections. You’ll have to wait until December to get Google WiFi (pre-orders start in November), but the pricing at least hits the sweet spot. Routers cost $129 each, and you can get a three-pack for $299 if you need to blanket your home.

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Science & Technology

What a great time to be alive!

Pesquisadores da Human Longevity, Inc. Publicou documentos detalhando resultados do sequenciamento profundo de 10.545 genomas humanos.

Documento descreve 150 milhões de variantes raras ou desconhecidas; cerca de 8.500 novas variantes por genoma.

Companhia também anuncia novo motor de pesquisa do genoma, HLI Open Search, para testes beta.

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Particles known as baryons show their first hints of antimatter-matter discrepancies.