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Recent News:

Can early experiences with computers, robots increase STEM interest among young girls?

Girls start believing they aren't good at math, science and even computers at a young age -- but providing fun STEM activities at school and home may spark interest and inspire confidence, suggests a new study. more...

Using math to investigate possibility of time travel

After some serious number crunching, a researcher says that he has come up with a mathematical model for a viable time machine: a Traversable Acausal Retrograde Domain in Space-time (TARDIS). He describes it as a bubble of space-time geometry which carries its contents backward and forwards through space and time as it tours a large circular path. The bubble moves through space-time at speeds greater than the speed of light at times, allowing it to move backward in time. more...

New theoretical approach to describing non-equilibrium phase transitions

Two physicists have offered a way to mathematically describe a particular physics phenomenon called a phase transition in a system out of equilibrium. Such phenomena are central in physics, and understanding how they occur has been a long-held and vexing goal; their behavior and related effects are key to unlocking possibilities for new electronics and other next-generation technologies. more...

Understanding malaria with mathematics

Mathematical formulas that model how deadly mosquito-borne diseases spread can help medical researchers accurately predict how real-life outbreaks develop and find countermeasures, report scientists. more...

Quantum mechanics is complex enough, for now...

Physicists have searched for deviations from standard quantum mechanics, testing whether quantum mechanics requires a more complex set of mathematical rules. To do so a research team designed a new photonic experiment using exotic metamaterials. Their experiment supports standard quantum mechanics and allows the scientists to place bounds on alternative quantum theories. The results could help to guide theoretical work in a search for a more general version of quantum mechanics. more...

Fundamental unit of cell size in bacteria discovered

By applying mathematical models to a large number of experiments in which bacterial growth is inhibited, a team of physicists, biologists and bioengineers has developed a 'general growth law' that explains the relationship between the average cell size of bacteria and how fast they grow. more...

People find changes in user interfaces annoying

Researchers modelled learning and visual search and predicted how users learn new or partially changed user interfaces. The model shows that even small changes can disturb visual search and impede use. more...

 

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Vinculum

Vinculum

This activity comprises of five challenges each one requiring you to type in one more fraction than the previous challenge and each starting with a different fraction. The starting fractions are one tenth, one quarter, one third, one half and four sevenths.

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