Month:

How Many Cells Does It Take to Cross the Road?

  • September 9

DNA is the molecule used to store genetic information in living things. Despite the vast amount of information it stores, DNA is physically very small, curled and bunched up thousands of times – in fact, if DNA was fully stretched out, it would be incredibly long! We make calculations of just how long here. Join talkSTEM and UT Southwestern faculty and grad students as they explore the STEM concepts on their campus.... CONTINUE READING

How Tall is this Imaginary Person?

  • September 9

The sculpture Undulating X is constructed from metal in the shape of a giant chromosome, a discrete spool of DNA within a cell. But if a chromosome were actually this size, rather than microscopic, how big would the person who it belongs to be? Math can help us figure that out. Join talkSTEM and UT Southwestern faculty and grad students as they explore the STEM concepts on their campus.... CONTINUE READING

How Can We Calculate Pi?

  • September 9

Pi is a number describing the ratios various parts and measurements of circles have with each other, meaning we can calculate it from any measurable circle – including this sculpture, Sun Disc Triptych by Jesús Moroles. Join talkSTEM and UT Southwestern faculty and grad students as they explore the STEM concepts on their campus.... CONTINUE READING

How Many Circles Make Up this Pattern?

  • September 9

There’s a pattern of overlapping circles in the ground pavement around the medical center – but is there any way to estimate how many circles there are? We investigate a few different methods of figuring it out! Join talkSTEM and UT Southwestern faculty and grad students as they explore the STEM concepts on their campus.... CONTINUE READING

How Big is Your Imagination?

  • September 9

The castle-shaped shelves in the Dallas Public Library picture book area is a fun way to incorporate imaginative architecture into a space. Designing these sorts of shelves requires quite a bit of math and planning – something we try to tease apart by taking measurements of its dimensions.... CONTINUE READING

How Many are in the Array?

  • September 9

The television screens laid out in the Dallas Public Library Louise Kahn Pavilion are arranged in an array, a regular grid of objects. This can make calculating how many screens are in the are the array a quick process – join us as we discuss the techniques to do so!... CONTINUE READING

What Is an Ellipse?

  • September 9

Dr. Glen Whitney, founder of the National Museum of Mathematics in New York and walkSTEM advisor explores the space and notices the recurring appearance of a relatively unusual shape in architecture, ellipses. In this video, this shape is explored and measured and different ellipses are compared.... CONTINUE READING

How Can we Estimate Really Tall Things We Can’t Reach?

  • September 9

Dr. Glen Whitney, founder of the National Museum of Mathematics in New York and walkSTEM advisor, uses the mathematical properties of rectangles to help him measure the width of louvers that are extremely high us. Supplementary Activity Guides for this video to extend student learning for K-12 grade levels are freely available here: https://talkstem.org/talkstem-activity-guides/ Support for these guides w... CONTINUE READING