The latest activity to be updated on this site is called "Square and Cube Roots" (Find square roots and cube roots by first calculating the prime factorisation of a number.).
So far this activity has been accessed 39 times and 27 people have earned a Transum Trophy for completing it.
The mathematics of prey detection in spider orb-webs
Spider webs are one of nature's most fascinating manifestations. Many spiders extrude proteinaceous silk to weave sticky webs that ensnare unsuspecting prey who venture into their threads. Despite their elasticity, these webs possess incredible tensile strength. Researchers present a theoretical mechanical model to study the inverse problem of source identification and localize a prey in a spider orb-web. more...
First mathematical proof for key law of turbulence in fluid mechanics
Turbulence is one of the least understood phenomena of the physical world. Long considered too hard to understand and predict mathematically, turbulence is the reason the Navier-Stokes equations, which describe how fluids flow, are so hard to solve that there is a million-dollar reward for anyone who can prove them mathematically. But now, mathematicians have broken through the barrier and developed the first rigorous mathematical proof for a fundamental law of turbulence. more...
Water animation gets easier
A team of computer science professors created a method to quickly resize animations of fluids without having to completely re-simulate the entire sequence. more...
A method with roots in AI uncovers how humans make choices in groups and social media
Using a mathematical framework with roots in artificial intelligence and robotics, researchers were able to uncover the process for how a person makes choices in groups. And, they also found they were able to predict a person's choice more often than more traditional descriptive methods. more...
Mathematician develops model to control spread of aquatic invasive species
Adjusting the water flow rate in a river can prevent invasive species from moving upstream and expanding their range. An applied mathematician has developed a partial differential equation model to find the desired flow rate to reduce invasive populations. more...
Foam offers way to manipulate light
Scientists have shown that a type of foam long studied by scientists is able to block particular wavelengths of light, a coveted property for next-generation information technology that uses light instead of electricity. more...
A new parallel strategy for tackling turbulence on Summit
A team developed an algorithm for simulating turbulence on Summit, the world's most powerful and smartest supercomputer. The team distributed the problem in such a way that the algorithm reached a performance of less than 15 seconds of wall-clock time per time step for more than 6 trillion grid points--a new world record surpassing the prior state of the art in the field for the size of the problem. more...
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