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Category: sustainability – Page 221

Next-generation batteries could take on many forms, but one design that scientists are pinning a lot of hope on involves the use of lithium metal. The excellent energy density of this material could see batteries power smartphones for days at a time, and by designing a new electrolyte that can be controlled by an external magnetic fields, scientist in South Korea have edged them a little closer to reality.

A lithium-metal battery is one that would see this material deployed in place of the graphite and copper used in the anode of today’s lithium-ion batteries. This could make for smaller and lighter anodes with far superior energy density, which could see smartphones require far fewer charges each week or an electric vehicle travel much farther on each charge.

But one problem researchers continue to run into is the growth of tentacle-like protrusions on the anode called dendrites, which swiftly cause the battery to fail. There is no shortage of potential solutions when it comes to addressing this issue, and now a team at the Daegu Gyeongbuk Institute of Science and Technology have thrown another bright idea into the mix.

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Colombian renewable energy startup E-Dina developed a wireless lantern, called WaterLight, that converts salt water into electricity and is more reliable than solar-powered lamps, a Dezeen article explains. And it can also be charged by urine in emergency situations.

The portable device acts as a mini generator that produces light using ionization — by filling it with 500 milliliters of seawater, the salt in the water reacts with magnesium and copper plates inside the device, converting it into electrical energy.

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Standing among solar arrays and power grid equipment at the National Renewable Energy Laboratory (NREL), you might hear a faint, distorted melody buzzing from somewhere. You are not hallucinating—that gray box really is singing the Star Wars Theme, or the ice cream truck song, or Chopin’s Waltz in A minor. Power system engineers are just having some fun with an NREL capability that prevents stability problems on the electrical grid.

Usually, the engineers send another kind of waveform through the inverters and load banks: megawatts of power and voltage vibrations at many frequencies. The purpose of their research is to see how and the grid interact—to get them “in tune” and prevent dangerous electrical oscillations that show up like screechy feedback or a booming sub-bass.

The engineers can do this analysis at with NREL hardware using the lab’s advanced impedance measurement system, and they have also produced a commercially available software called the Grid Impedance Scan Tool or GIST that can do the same with simulated power on device models, allowing any manufacturer or grid operator to certify grid with renewable energy resources.

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Musk’s attention to Twitter is hurting his bread and butter.

Since September last year, Elon Musk has been regarded as the world’s richest person. The stock price of the electric vehicle-making company Tesla has been the sole reason behind his dramatic rise to the top. With Tesla stock dropping 50 percent value since the beginning of the year, Musk has now dropped to number two on the list of the world’s richest people, Bloomberg.

Getty Images.

In April, Musk announced his decision to buy out Twitter and take the social media company private to unlock its true potential. The timing of his offer could not be worse as the U.S. Federal Bank began tightening its fiscal policy to rein in inflation. Within days, Musk’s $44 billion offer seemed a price too high to pay, as the stock prices of tech companies began shrinking with higher interest rates.

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Global payments giant Visa says it will invest $1 billion by 2027 to expand its investments in Africa amidst a digital payments boom on the continent.

Visa chief Al Kelly announced this pledge on Wednesday during the U.S.-Africa Business Forum, a sub-event in the broader U.S.-Africa Leaders Summit, a three-day event where U.S. President Joe Biden invited heads of state and senior government officials from Africa to discuss several issues ranging from food security to climate change.

“Visa has been investing in Africa for several decades to grow a truly local business, and today our commitment to the continent remains as firm and unwavering as ever,” said the Visa CEO in a statement.

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Structuring, Financing & Growing Novel Longevity Ventures — Dr. Tobias Reichmuth Ph.D., Founding Partner, Maximon

Dr. Tobias Reichmuth, Ph.D. is Founding Partner at Maximon (https://www.maximon.com/), The Longevity Company Builder, which empowers entrepreneurs to build impactful, science-based and scalable companies providing healthy aging and rejuvenation solutions.

Maximon recently announced the launch of their 100 million CHF Longevity Co-Investment Fund, which will be looking to invest up to CHF 10 million per company, which allows them to finance up to 10–12 start-ups in this fast growing industry over the next four years.

In 2020, Dr. Reichmuth launched the Longevity Investors Conference together with Marc P. Bernegger, another Maximon Founding Partner.

Dr. Reichmuth previously founded the climate-change infrastructure fund / asset management company SUSI Partners AG, where he spent over a decade specializing in infrastructure investments in the context of energy transition (renewable energy, energy efficiency, energy storage solutions) and invested more than one billion Swiss francs.

Continue reading “Dr. Tobias Reichmuth, Ph.D. — Maximon — Structuring, Financing & Growing Novel Longevity Ventures” | >

MSM and Experts fail to see the logic in how Elon Musk is taking over Twitter. They think it’s chaos, a mess, he’s out of his depth. But Elon is just working AGILE, and AGILE always seems like a mess to onlookers used to traditional work!
The video describes Elon’s Agile Takeover of Twitter and shows the opportunity worth BILLION$ that Elon Musk has ALREADY unlocked.

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Continue reading “Elon’s AGILE Takeover (of Twitter) | Experts don’t get Elon bc Experts don’t get AGILE!” | >

Though plants can serve as a source of food, oxygen and décor, they’re not often considered to be a good source of electricity. But by collecting electrons naturally transported within plant cells, scientists can generate electricity as part of a “green,” biological solar cell.

Now, researchers reporting in ACS Applied Materials & Interfaces have, for the first time, used a succulent plant to create a living “bio-solar cell” that runs on photosynthesis.

In all , from bacteria and fungi to and animals, electrons are shuttled around as part of natural, biochemical processes. But if electrodes are present, the cells can actually generate electricity that can be used externally. Previous researchers have created fuel cells in this way with bacteria, but the microbes had to be constantly fed. Instead, scientists, including Noam Adir’s team, have turned to photosynthesis to generate current.

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WASHINGTON — The United Nations General Assembly approved a resolution calling for a halt to one type of anti-satellite (ASAT) testing, a largely symbolic move intended to support broader space sustainability initiatives.

The resolution, introduced by the United States and several other nations, was approved by the U.N. General Assembly Dec. 7 among dozens of other resolutions on arms control and related topics with little discussion or debate. A total of 155 nations voted in favor of the resolution, with 9 voting against it and 9 others abstaining.

The resolution calls on countries to halt destructive testing of direct-ascent ASAT weapons, citing concern that such creates large amounts of debris that threaten the safety of other satellites. An example is the November 2021 ASAT test by Russia that destroyed the Cosmos 1,408 satellite, creating nearly 1,800 tracked pieces of debris and likely many more objects too small to be tracked. About a third of the tracked debris from that test was still in orbit nearly a year later.

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