Corrugation Nation
by Pearl Tesler • June 28, 2017
What does cardboard have in common with bicycles, kites, the Eiffel tower, and the Golden Gate Bridge? Triangles.
Masks and vaccinations are recommended. Plan your visit
Blog: Pearl Tesler
Science writer Pearl Tesler has worked at the Exploratorium since 1996, creating museum exhibits, multimedia web sites, activities, experiments, apps, articles, and books, including The Math Explorer and The Brain Explorer. A physicist with a focus in optics, she earned... read more about Pearl Tesler
Can You Believe It? Seven Questions to Ask About Any Scientific Claim
by Pearl Tesler • December 15, 2016
Staying informed is increasingly tricky business. Can you believe every story you hear or read? Here are some tips to help bring some healthy skepticism to your daily news feed.
Round the Clock(s)
by Pearl Tesler • September 7, 2016
“What time is it?” Ask this simple question and you’ll get a deliriously un-simple set of answers, courtesy of Timepieces, a new artwork by Katie Paterson on display at the Exploratorium.
Egg-Quinox Challenge
by Pearl Tesler • September 25, 2015
An oft-told tale holds that you can balance an egg on its end during the equinox. Let's crack open the real story.
Old Dog, New Pics: Pluto Flyby
by Pearl Tesler • July 14, 2015
The New Horizons probe has zipped by Pluto and done what all good fast-moving tourists do--take pics.
Who’s Driving?
by Pearl Tesler • March 18, 2015
If you live anywhere near Silicon Valley, then you may already have glimpsed the eerie sight of a driverless car flying down the freeway. My initial reaction to these rolling Google ghost ships, shared by many, was to be afraid—very afraid.
Eyesight to the Blind
by Pearl Tesler • March 11, 2015
Age, genetics, or sheer bad luck can land you among the 285 million people worldwide who are visually impaired. Among older adults in the Western world, the leading cause of blindness is degeneration of the photoreceptors in the eye—as in macular degeneration and retinitis pigmentosa.
Thought Crimes
by Pearl Tesler • March 3, 2015
Imagine this: You get scooped up by police, fitted with electronic headgear, and shown a series of random pictures. Among the random pictures is a not-so-random one: A crime scene. A tiny electric twinge on your scalp tips off police; the crime scene is familiar to you. You are under arrest.
2014: The Year in (Unsung) Science
by Pearl Tesler • January 6, 2015
If there’s any theme to the big science stories this year, it might be this—science giveth, and science taketh away.
Talkin’ Turkey
by Pearl Tesler • November 19, 2014
If you find yourself snoring on the sofa after a Thanksgiving feast, don’t blame the bird. It’s an oft-cited factoid this time of year—an old canard, if you will: A heavy dose of an amino acid called tryptophan in turkey, they say, brings on the traditional after-dinner nap attack. But let’s nip this one in the bird: It’s all jive, turkey.
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