experiment Archives - Office-account

Japan’s High-Tech Experiment Packs Ballpark at 90% Capacity

By

Joe Lemire

November 18, 2020

In advance of its stadium being used to host Olympic baseball and softball games next summer, Japan’s Yokohama DeNA Bay Stars hosted a three-game series at the end of October in which fan attendance reached 50%, then 80% and finally 90% capacity.

DeNA Bay Stars EVP Yota Kimura joined the SportTechie PRO DAY: Reopening Sports Venues to share his insights from the high-tech experiment in which the club hosted as many as 27,850 fans in the 32,402-seat stadium. “We believe that even though we increased the number of capacity from the regulation of 50% to 90%, we have not seen an increase in COVID,” Kimura said through a translator.

Among the technologies deployed at Yokohama Stadium:

13 facial recognition cameras from NEC Corp., to record gate and concourse congestion, the percentage of fans wearing masks, and

science daily

Combined efforts of experiment and simulation pave the way to new applications — ScienceDaily

[email protected]_84 November 17, 2020

Materials consisting of inorganic and organic components can combine the best of two worlds: under certain circumstances, the so-called MOFs — short for metal-organic frameworks — are structured in the same order as crystals and are at the same time porous and deformable. This opens up the prospect of intelligent materials for energy-saving technical applications. However, so far only a few flexible MOFs have been identified.

A research team from Ruhr-Universität Bochum (RUB) and Technical University of Munich (TUM) has used experiments and simulations to find out by what means MOFs can be rendered flexible and why: they tricked the system by using clever chemical manipulations to enable a variety of energetically similar arrangements in the crystalline order.

The application potential of MOFs was first discovered around 20 years ago, and almost 100,000 such hybrid porous materials have since been identified. There are great hopes for technical applications, especially for

smartphone

Xiaomi’s latest smartphone camera experiment channels point-and-shoot vibes

[email protected]_84 November 6, 2020

Xiaomi revolutionized wireless charging last month, and now it looks like it might be poised to do the same thing to smartphone zoom photography. The company has developed a new large-aperture telescopic lens for phones that can increase the amount of light input by up to 300% for clearer, sharper photos — and much like traditional point-and-shoot cameras, the lens can physically zoom in and out from the hardware.

Zeng Xuezhong, Xiaomi’s Vice President, announced the innovation at the MIDC 2020 Xiaomi Developers Conference. In addition to the increased light intake from the large aperture, Xiaomi has also developed new anti-shake technology that makes pictures more stable. Photos taken with it supposedly can see a 20% increase in definition and clarity.

While this isn’t the first phone camera to incorporate a lens that can physically zoom in and out, Xiaomi’s setup sounds like it could significantly improve the company’s camera

science daily

What a drum-beat experiment reveals about cultural evolution — ScienceDaily

[email protected]_84 October 28, 2020

Living organisms aren’t the only things that evolve over time. Cultural practices change, too, and in recent years social scientists have taken a keen interest in understanding this cultural evolution. Much research has focused on psychological factors among individuals, like how our visual system constrains the shape of written characters.

But environmental factors like availability of materials or physical space likely play a role, too, says Helena Miton, a Complexity Postdoctoral Fellow at the Santa Fe Institute. Although researchers in the field generally acknowledge the influence of the environment on cultural shifts, she says, the effects have never been investigated experimentally.

To tease out those influences, Miton recently designed a series of experiments — using three identical drums and over 100 participants — to investigate the influence of material constraints on the development of culture. She and her collaborators described the experiment and their results in Proceedings of the Royal

science

Galileo’s famous gravity experiment holds up, even with atoms

[email protected]_84 October 28, 2020

According to legend, Galileo dropped weights off of the Leaning Tower of Pisa, showing that gravity causes objects of different masses to fall with the same acceleration. In recent years, researchers have taken to replicating this test in a way that the Italian scientist probably never envisioned — by dropping atoms.

A new study describes the most sensitive atom-drop test so far and shows that Galileo’s gravity experiment still holds up — even for individual atoms. Two different types of atoms had the same acceleration within about a part per trillion, or 0.0000000001 percent, physicists report in a paper in press in Physical Review Letters.

Compared with a previous atom-drop test, the new research is a thousand times as sensitive. “It represents a leap forward,” says physicist Guglielmo Tino of the University of Florence, who was not involved with the new study.

Researchers compared rubidium atoms of two different

new technology

Facebook’s new Oversight Board is a wild new experiment in platform governance

[email protected]_84 October 24, 2020

Two and a half years after Mark Zuckerberg floated the idea on a podcast, and several months after organizers said it would be ready to hear cases, Facebook’s independent Oversight Board is now up and running. In a call with reporters today, the board’s co-chairs said that they are now prepared to hear appeals from the billions of people who use Facebook and Instagram each day. The ability to appeal to the board will roll out gradually around the world over the next several weeks. And when it’s complete, one of the bolder experiments in platform governance will have finally begun.

Let’s begin by taking a step back. One of the more striking things about our social networks, I have argued, is how terrible they are at customer service. If your post is taken down in error, or your account is suspended

science daily

Trigger and course of plasma instability explained / agreement with the experiment — ScienceDaily

[email protected]_84 October 22, 2020

Among the loads to which the plasma vessel in a fusion device may be exposed, so-called edge localized modes are particularly undesirable. By computer simulations the origin and the course of this plasma-edge instability could now be explained for the first time in detail.

Edge Localised Modes, ELMs for short, are one of the disturbances of the plasma confinement that are caused by the interaction between the charged plasma particles and the confining magnetic field cage. During ELM events, the edge plasma loses its confinement for a short time and periodically throws plasma particles and energy outwards onto the vessel walls. Typically, one tenth of the total energy content can thus be ejected abruptly. While the present generation of medium-sized fusion devices can cope with this, large devices such as ITER or a future power plant would not be able to withstand this strain.

Experimental methods to attenuate, suppress or

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Blackcurrants are favorable for glucose metabolism — ScienceDaily

Tag: experiment

Japan’s High-Tech Experiment Packs Ballpark at 90% Capacity

Japan’s High-Tech Experiment Packs Ballpark at 90% Capacity

By

Joe Lemire

November 18, 2020

Combined efforts of experiment and simulation pave the way to new applications — ScienceDaily

Xiaomi’s latest smartphone camera experiment channels point-and-shoot vibes

What a drum-beat experiment reveals about cultural evolution — ScienceDaily

Galileo’s famous gravity experiment holds up, even with atoms

Facebook’s new Oversight Board is a wild new experiment in platform governance

Trigger and course of plasma instability explained / agreement with the experiment — ScienceDaily

Flash News

Japan’s High-Tech Experiment Packs Ballpark at 90% Capacity

By Joe Lemire November 18, 2020

By

Joe Lemire

November 18, 2020