Sustainable development

Quantum spin breakthrough at room temperature

South Korean researchers have discovered a way to generate much stronger spin currents at room temperature, potentially transforming the future of electronics.

By using a mechanism called longitudinal spin pumping and a special iron-rhodium material, the team showed that quantum magnetisation dynamics, once thought to only occur at extremely low temperatures, can take place in everyday conditions.

These currents were found to be 10 times stronger than those created through traditional methods, offering a major boost for low-power, high-performance devices.

Instead of relying on the movement of electric charge, spintronics makes use of the electron’s spin, which reduces energy loss and heat generation. This advancement could be particularly beneficial for Magnetoresistive Random Access Memory (MRAM), a type of memory that depends on spin currents to function.

Researchers believe their findings may significantly cut power consumption in MRAM, which is already being explored by companies like Samsung for next-generation AI computing systems.

The study, carried out by teams at KAIST and Sogang University, used a combination of ultrafast measurement experiments and theoretical analysis to validate the discovery. Experts say the results could lead to a new era of energy-efficient memory and processor technologies.

Instead of stopping here, the researchers now plan to develop novel spintronic device architectures and explore other quantum-based mechanisms to push the limits of what modern electronics can achieve.

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Hamburg Declaration champions responsible AI

The Hamburg Declaration on Responsible AI for the Sustainable Development Goals (SDGs) is a new global initiative jointly launched by the United Nations Development Programme (UNDP) and Germany’s Federal Ministry for Economic Cooperation and Development (BMZ).

The Declaration seeks to build a shared vision for AI that supports fair, inclusive, and sustainable global development. It is set to be officially adopted at the Hamburg Sustainability Conference in June 2025.

The initiative brings together voices from across sectors—governments, civil society, academia, and industry—to shape how AI can ethically and effectively align with the SDGs. Central to this effort is an open consultation process inviting stakeholders to provide feedback on the draft declaration, participate in expert discussions, and endorse its principles.

In addition to the declaration itself, the initiative also features the AI SDG Compendium, a global registry of AI projects contributing to sustainable development. The process has already gained visibility at major international forums like the Internet Governance Forum and the AI Action Summit in Paris, reflecting its growing significance in leveraging responsible AI for the SDGs.

The Declaration aims to ensure that AI is developed and used in ways that respect human rights, reduce inequalities, and foster sustainable progress. Establishing shared principles and promoting collaboration across sectors and regions sets a foundation for responsible AI that serves both people and the planet.

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Microsoft unveils powerful lightweight AI model for CPUs

Microsoft researchers have introduced the largest 1-bit AI model to date, called BitNet b1.58 2B4T, designed to run efficiently on standard CPUs instead of relying on GPUs. This ‘bitnet’ model, now openly available under the MIT license, can even operate on Apple’s M2 chips.

Bitnets use extreme weight quantisation, storing only -1, 0, or 1 as values, making them far more memory- and compute-efficient than most conventional models.

With 2 billion parameters and trained on 4 trillion tokens, roughly the equivalent of 33 million books, BitNet b1.58 2B4T outperforms several similarly sized models in key benchmarks.

Microsoft claims it beats Meta’s Llama 3.2 1B, Google’s Gemma 3 1B, and Alibaba’s Qwen 2.5 1.5B on tasks like grade-school maths and physical reasoning. It also runs up to twice as fast while using significantly less memory, offering a potential edge for lower-end or energy-constrained devices.

The main limitation lies in its dependence on Microsoft’s custom bitnet.cpp framework, which supports only select hardware and does not yet work with GPUs.

Instead of being broadly compatible with existing AI systems, BitNet’s performance depends on a narrower infrastructure, a hurdle that may limit adoption, despite its promise for lightweight AI deployment.

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Europe struggles to explain quantum to its citizens

Most Europeans remain unclear about quantum technology, despite increasing attention from EU leaders. A new survey, released on World Quantum Day, reveals that while 78 per cent of adults in France and Germany are aware of quantum, only a third truly understand what it is.

Nearly half admitted they had heard of the term but didn’t know what it means.

Quantum science studies the smallest building blocks of the universe, particles like electrons and atoms, that behave in ways classical physics can’t explain. Though invisible even to standard microscopes, they already power technologies such as GPS, MRI scanners and semiconductors.

Quantum tools could lead to breakthroughs in healthcare, cybersecurity, and climate change, by enabling ultra-precise imaging, improved encryption, and advanced environmental monitoring.

The survey showed that 47 per cent of respondents expect quantum to positively impact their country within five years, with many hopeful about its role in areas like energy, medicine and fraud prevention.

For example, quantum computers might help simulate complex molecules for drug development, while quantum encryption could secure communications better than current systems.

The EU has committed to developing a European quantum chip and is exploring a potential Quantum Act, backed by €65 million in funding under the EU Chips Act. The UK has pledged £121 million for quantum initiatives.

However, Europe still trails behind China and the US, mainly due to limited private investment and slower deployment. Former ECB president Mario Draghi warned that Europe must build a globally competitive quantum ecosystem instead of falling behind further.

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Google uses AI and human reviews to fight ad fraud

Google has revealed it suspended 39.2 million advertiser accounts in 2024, more than triple the number from the previous year, as part of its latest push to combat ad fraud.

The tech giant said it is now able to block most bad actors before they even run an advert, thanks to advanced large language models and detection signals such as fake business details and fraudulent payments.

Instead of relying solely on AI, a team of over 100 experts from across Google and DeepMind also reviews deepfake scams and develops targeted countermeasures.

The company rolled out more than 50 LLM-based safety updates last year and introduced over 30 changes to advertising and publishing policies. These efforts, alongside other technical reinforcements, led to a 90% drop in reports of deepfake ads.

While the US saw the highest number of suspensions, with all 39.2 million accounts coming from there alone, India followed with 2.9 million accounts taken down. In both countries, ads were removed for violations such as trademark abuse, misleading personalisation, and financial service scams.

Overall, Google blocked 5.1 billion ads globally and restricted another 9.1 billion, instead of allowing harmful content to spread unchecked. Nearly half a billion of those removed were linked specifically to scam activity.

In a year when half the global population headed to the polls, Google also verified over 8,900 election advertisers and took down 10.7 million political ads.

While the scale of suspensions may raise concerns about fairness, Google said human reviews are included in the appeals process.

The company acknowledged previous confusion over enforcement clarity and is now updating its messaging to ensure advertisers understand the reasons behind account actions more clearly.

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EU plans major staff boost for digital rules

The European Commission is ramping up enforcement of its Digital Services Act (DSA) by hiring 60 more staff to support ongoing investigations into major tech platforms. Despite beginning probes into companies such as X, Meta, TikTok, AliExpress and Temu since December 2023, none have concluded.

The Commission currently has 127 employees working on the DSA and aims to reach 200 by year’s end. Applications for the new roles, including legal experts, policy officers, and data scientists, remain open until 10 May.

The DSA, which came into full effect in February last year, applies to all online platforms in the EU. However, the 25 largest platforms, those with over 45 million monthly users like Google, Amazon, and Shein, fall under the direct supervision of the Commission instead of national regulators.

The most advanced case is against X, with early findings pointing to a lack of transparency and accountability.

The law has drawn criticism from the current Republican-led US government, which views it as discriminatory. Brendan Carr of the US Federal Communications Commission called the DSA ‘an attack on free speech,’ accusing the EU of unfairly targeting American companies.

In response, EU Tech Commissioner Henna Virkkunen insisted the rules are fair, applying equally to platforms from Europe, the US, and China.

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South Korea’s $23B chip industry boost in response to global trade war

South Korea announced a $23 billion support package for its semiconductor industry, increasing from last year’s $19 billion to protect giants like Samsung and SK Hynix from US tariff uncertainties and China’s growing competition. 

The plan allocates 20 trillion won in financial aid, up from 17 trillion, to drive innovation and production, addressing a 31.8% drop in chip exports to China due to US trade restrictions.

The package responds to US policies under President Trump, including export curbs on high-bandwidth chips to China, which have disrupted global demand. 

At the same time, Finance Minister Choi Sang-mok will negotiate with the US to mitigate potential national security probes on chip trade. 

South Korea’s strategy aims to safeguard a critical economic sector that powers everything from smartphones to AI, especially as its auto industry faces US tariff challenges. 

Analysts view this as a preemptive effort to shield the chip industry from escalating global trade tensions.

Why does it matter?

For South Koreans, the semiconductor sector is a national lifeline, tied to jobs and economic stability, with the government betting big to preserve its global tech dominance. As China’s tech ambitions grow and US policies remain unpredictable, Seoul’s $23 billion investment speaks out about the cost of staying competitive in a tech-driven world.

Nvidia hit by the new US export rules

Nvidia is facing fresh US export restrictions on its H20 AI chips, dealing a blow to the company’s operations in China.

In a filing on Tuesday, Nvidia revealed it now needs a licence to export these chips indefinitely, after the US government cited concerns they could be used in a Chinese supercomputer.

The company expects a $5.5 billion charge linked to the controls in its first fiscal quarter of 2026, which ends on 27 April. Shares dropped around 6% in after-hours trading.

The H20 is currently the most advanced AI chip Nvidia can sell to China under existing regulations.

Last week, reports suggested CEO Jensen Huang might have temporarily eased tensions during a dinner at Donald Trump’s Mar-a-Lago resort, by promising investments in US-based AI data centres instead of opposing the rules directly.

Just a day before the filing, Nvidia announced plans to manufacture some chips in the US over the next four years, though the specifics were left vague.

Calls for tighter controls had been building, especially after it emerged that China’s DeepSeek used the H20 to train its R1 model, a system that surprised the US AI sector earlier this year.

Government officials had pushed for action, saying the chip’s capabilities posed a strategic risk. Nvidia declined to comment on the new restrictions.

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OpenAI updates safety rules amid AI race

OpenAI has updated its Preparedness Framework, the internal system used to assess AI model safety and determine necessary safeguards during development.

The company now says it may adjust its safety standards if a rival AI lab releases a ‘high-risk’ system without similar protections, a move that reflects growing competitive pressure in the AI industry.

Instead of outright dismissing such flexibility, OpenAI insists that any changes would be made cautiously and with public transparency.

Critics argue OpenAI is already lowering its standards for the sake of faster deployment. Twelve former employees recently supported a legal case against the company, warning that a planned corporate restructure might encourage further shortcuts.

OpenAI denies these claims, but reports suggest compressed safety testing timelines and increasing reliance on automated evaluations instead of human-led reviews. According to sources, some safety checks are also run on earlier versions of models, not the final ones released to users.

The refreshed framework also changes how OpenAI defines and manages risk. Models are now classified as having either ‘high’ or ‘critical’ capability, the former referring to systems that could amplify harm, the latter to those introducing entirely new risks.

Instead of deploying models first and assessing risk later, OpenAI says it will apply safeguards during both development and release, particularly for models capable of evading shutdown, hiding their abilities, or self-replicating.

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xAI adds collaborative workspace to Grok

Elon Musk’s AI firm xAI has introduced a new feature called Grok Studio, offering users a dedicated space to create and edit documents, code, and simple apps.

Available on Grok.com for both free and paying users, Grok Studio opens content in a separate window, allowing for real-time collaboration between the user and the chatbot instead of relying solely on back-and-forth prompts.

Grok Studio functions much like canvas-style tools from other AI developers. It allows code previews and execution in languages such as Python, C++, and JavaScript. The setup mirrors similar features introduced earlier by OpenAI and Anthropic, instead of offering a radically different experience.

All content appears beside Grok’s chat window, creating a workspace that blends conversation with practical development tools.

Alongside this launch, xAI has also announced integration with Google Drive.

It will allow users to attach files directly to Grok prompts, letting the chatbot work with documents, spreadsheets, and slides from Drive instead of requiring uploads or manual input, making the platform more convenient for everyday tasks and productivity.

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