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New ActivityThe latest activity to be updated on this site is called "Number Crunch Saga" (A lively numeracy game requiring you to align three numbers to create the given target sum or product.). So far this activity has been accessed 117550 times and 1822 people have earned a Transum Trophy for completing it. 
In the world of mathematics, numeracy skills play a crucial role in developing a strong foundation for students. Learning topics like addition, multiplication, and target sums in a fun and engaging way through games like 'Number Crunch Saga' not only makes the learning process enjoyable but also helps students improve their mathematical abilities. Featured ActivityTriangle Solver This simple calculator will work out the lengths of the sides and the size of the angles of any triangle given thee particular pieces of information. Recent News:New light trap design supercharges atom-thin semiconductorsScientists have found a clever way to supercharge ultra-thin semiconductors by reshaping the space beneath them rather than altering the material itself. By placing a single-atom-thick layer of tungsten disulfide over tiny air cavities carved into a crystal, they created miniature “light traps” that dramatically boost brightness and optical effects—up to 20 times stronger emission and 25 times stronger nonlinear signals. These hollow structures, called Mie voids, concentrate light exactly where the material sits, overcoming a major limitation of atomically thin devices. more... Scientists built the hardest AI test ever and the results are surprisingAs AI systems began acing traditional tests, researchers realized those benchmarks were no longer tough enough. In response, nearly 1,000 experts created Humanity’s Last Exam, a massive 2,500-question challenge covering highly specialized topics across many fields. The exam was engineered so that any question solvable by current AI models was removed. Early results show even the most advanced systems still struggle — revealing a surprisingly large gap between AI performance and true expert-level knowledge. more... A tiny twist creates giant magnetic skyrmions in 2D crystalsTwisting atomically thin magnetic layers does more than reshape their electronics—it can create giant, topological magnetic textures. In chromium triiodide, researchers observed skyrmion-like patterns stretching far beyond the expected moiré scale, reaching hundreds of nanometers. Even more surprising, their size doesn’t simply follow the twist pattern but peaks at a specific angle. This twist-controlled magnetism could pave the way for low-power spintronic devices built from geometry alone. more... Brain inspired machines are better at math than expectedNeuromorphic computers modeled after the human brain can now solve the complex equations behind physics simulations — something once thought possible only with energy-hungry supercomputers. The breakthrough could lead to powerful, low-energy supercomputers while revealing new secrets about how our brains process information. more... Scientists create smart synthetic skin that can hide images and change shapeInspired by the shape-shifting skin of octopuses, Penn State researchers developed a smart hydrogel that can change appearance, texture, and shape on command. The material is programmed using a special printing technique that embeds digital instructions directly into the skin. Images and information can remain invisible until triggered by heat, liquids, or stretching. more... Scientists discover hidden geometry that bends electrons like gravityResearchers have discovered a hidden quantum geometry inside materials that subtly steers electrons, echoing how gravity warps light in space. Once thought to exist only on paper, this effect has now been observed experimentally in a popular quantum material. The finding reveals a new way to understand and control how materials conduct electricity and interact with light. It could help power future ultra-fast electronics and quantum technologies. more... How everyday foam reveals the secret logic of artificial intelligenceFoams were once thought to behave like glass, with bubbles frozen in place at the microscopic level. But new simulations reveal that foam bubbles are always shifting, even while the foam keeps its overall shape. Remarkably, this restless motion follows the same math used to train artificial intelligence. The finding hints that learning-like behavior may be a fundamental principle shared by materials, machines, and living cells. more... |
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