"The signs are very promising," said Rutter. "Most of the trees are cardano price on coinbaseresponding well, healing and continuing to grow. Birds, bats and insects have all been found living in the artificially created niches."
Chemistry remains relatively closed to the blind, due to the hazards of laboralitecoin vs bitcoin cashtory work, and the ubiquity of images, charts and graphs. But chemistry teacher Tobias Mahnke, who taught Portz at the Blista-associated Carl-Strehl-School in Marburg, argues there is no reason why his subject should be so restricted."No human being can see molecules, no human being can see atoms, and yet, chemistry education is so visual. Why? There shouldn't be any disadvantage for blind people, given that sighted people can't see all this, either," he says.
Mahnke, who is sighted, started working at the school in 2013. At the time, it didn't offer an advanced chemistry class. Since then, he and his colleagues have developed an array of multi-sensory tools and methods for teaching natural sciences, supported by the chemistry faculty at Philipps University in Marburg, as well as funding from the charitable Reinhard-Frank-Foundation. Mahnke has written a master's thesis on developing inclusive materials for teaching chemistry, and published some of his findings.Unlike conventional science models used in classrooms, the Blista models are designed to reveal entire processes and wide-ranging relationships. For example, a three-dimensional model of a water molecule, developed by a group of chemists at different universities, can be squashed flat, to encourage students to think about how it is depicted in two dimensions. A 3D-printed plastic model of a curving river bed, developed by Mahnke's colleague Tanja Schapat, is intended to be held under a tap. Students can feel where the water flows faster or slower, and how this shapes its contours. They then learn that where the bed is flatter, the water is shallower and therefore gets warmer in the sun, attracting fish and reeds."Most scientific experiments go far beyond seeing. You can touch things, something becomes warm or cold, you can smell and hear things, and in experiments with food, taste them," says Mahnke as he shows the models via video. "In regular teaching, we focus on vision because it means I can demonstrate an experiment within five seconds, and it can be seen by 30 students. It's fast and efficient for the teacher, but not for the pupils."In 2017, the school offered its first advanced chemistry course, and in 2019, demand was so strong that it offered two classes. The laboratory is adapted to blind pupils' needs, with electric burners in perforated metal cases, instead of bunsen burners with naked flames. Mahnke and his colleague Tanja Schapat have developed a method for teaching pupils about heat and fire, using heat-sensitive swelling paper to allow them to explore the properties of a burning candle. A special sensor, developed at the school in the 1990s, emits a high or low beep when a liquid brightens or darkens during a chemical reaction.During the pandemic, Mahnke taught students about the Covid-19 infection curve using raised charts printed on swelling paper. When the school closed to stop the spread of the virus, teachers posted models to home-schooling students. Each model is tested by pupils at the school, further refined with their input, and produced in the school's in-house workshop.
In recent years, the Carl-Strehl-School has started accepting a limited number of sighted children, who learn alongside their blind classmates using multisensory materials, which in their case also incorporate sight. Research has shown that children and adults learn better when they can grasp new information with multiple senses, and not just visually. Mahnke says in his own experience, "multi-sensory experiences lead to much deeper and longer-lasting learning".For Portz, it was not just the school that broadened his world. He fondly recalls moving around Marburg with confidence, assisted by beeping traffic lights, talking bus stops, and a sighted population very used to interacting with the blind. Bus drivers in Marburg are trained to stop to give blind passengers easy access, shop assistants routinely deal with blind customers, and many restaurants offer menus in Braille script. He's encountered some of these elements in other cities, but never in the form of such a comprehensive web.The botting activity overwhelmed the network with a transaction load of 400,000 per second, with Solana noting that “unbounded growth of the forwarder queues and resource-heavy blocks” resulted in a number of forks being automatically proposed to the network.
The attack caused Solana’s network’s validators to crash after running out of memory. As a result the network went offline for roughly 17 hours during Sept. 14 and Sept. 15.The recovery was led in collaboration between Solana engineers and more than 1,000 validators, with a hard fork being passed after receiving support from 80% of the network’s active stakers.The foundation estimates that the network was patched, upgraded, and restored to full functionality within 18 hours of Solana going offline.The post added that the community is still working on providing a detailed “technical post-mortem and root cause analysis report” that will be released in the coming weeks
Related: Smashing crypto adoption barrier? Solana aims to do its own ‘thing’The price of Solana (SOL) has performed bearishly since posting an all-time high of $213 on Sept. 9. Since then, SOL has pulled back by 39% to change hands for $129 at the time of writing.
The retracement followed a meteoric couple of months for SOL, with the token surging 565% since trading for $32 on July 31.Bitcoin (BTC) kept blowing through support levels during trading on Sept. 20 ahead of what promised to be a "very interesting" U.S. stock market open.Data from Cointelegraph Markets Pro and TradingView tracked BTC/USD. It dipped briefly to near $42,500 before returning to hover near $44,000 in volatile conditions.Monday's low was beneath that seen earlier in the month during the leverage cascade, with Bitcoin testing both its weekly higher low and 21-week exponential moving average (EMA) as support.
As Cointelegraph reported, a plethora of factors combined to produce sell pressure for BTC markets. These were led by concerns over Evergrande defaulting on hundreds of millions of dollars in debt, in turn pressuring stocks and strengthening the United States dollar. Rising Bitcoin exchange balances provided an additional catalyst from within the market, itself.Traders, nonetheless, kept their cool."Why are you surprised today? Don’t be so emotional," popular Twitter account Anbessa told followers at the height of the rout.Anbessa espied levels in the mid-$30,000 range as being the only definitive area of concern, with Bitcoin still well above $40,000 and a Fibonacci retracement level at $38,000.
For analyst and statistician Willy Woo, however, the stock market open should provide a debate in itself."SPX teetering, threatening a large sell-off," he warned in advance of Wall Street's return.
Woo added that should stocks face a deeper crash, the situation may mimic 2020 when Bitcoin's supply squeeze ultimately sent it from $3,000 lows to new all-time highs in spite of initial misgivings.Bulls' conviction proves hard to shake
Others were even less fazed by the events of Sept. 20, including popular trader Pentoshi, who revealed record BTC exposure at current levels.Related: ‘Best bear market ever’ — 5 things to watch in Bitcoin this week"Do I think 41k is possible? Yes. But I think we see 56k–58k within three weeks. I’m macro bullish," he said as part of comments on the day.Meanwhile, data from monitoring resource Material Indicators captured the rapidly-changing picture on spot exchanges, where liquidity was being taken incrementally.India’s state-owned telecom Bharat Sanchar Nigam Limited (BSNL) has registered 7,477 businesses on its blockchain-based communication platform after authorities imposed new regulations to protect consumers from spam and fraud.The Telecom Regulatory Authority of India (TRAI) established messaging regulations that require scrubbing consumer communication messages to ensure that the receiver of the message has opted in for such interactions. The drive is supported by BSNL DLT, a content verification platform built on ledger-based blockchain protocols.
As the SMS regulation is applicable for all industry verticals, the list of 7,477 registrations includes banks, educational institutions and private businesses. TRAI had reportedly warned about blocking communications of non-compliant entities, as an official said:“The Telecom Regulatory Authority of India will accept no reason, give no consideration and no extension to all those who have not streamlined their SMS process. Let their businesses suffer 100%.”Businesses using BSNL DLT will be subject to SMS screening against pre-registered messaging templates hosted on the blockchain. In case of a mismatch, the message will be blocked by the company’s telecom provider honoring consumer interest.
Related: Indian university joins Hedera decentralized governance councilIndia’s commitment to blockchain adoption has strengthened after a state-run university, the Indian Institute of Technology Madras (IITM), joined 38 global organizations to govern the Hedera public ledger as a part of the Hedera Governing Council.
According to professor Prabhu Rajagopal from IITM’s Center for Nondestructive Evaluation, the institution will test use cases around public blockchains for payments, healthcare, industry and digital media.On July 27, Cointelegraph reported that a sizable Indian institute implemented LegitDoc, a tamper-proof credentialing system built on the Ethereum blockchain, to verify diploma certificates. Currently, other Indian universities are exploring and implementing similar strategies.
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