Articles tagged: how things work

  • Atomic Clocks are the most precise way to keep time

    Scitech — October 16, 2017

    Atomic clocks are the most precise way to keep time ever devised. What makes them so accurate, and how do they work?

  • 360-degree cameras add perspective to sharing stories

    Scitech — September 25, 2017

    360-degree cameras are becoming increasingly popular among consumers as major brand names compete for the best price and video quality. The cameras take video from all angles, producing uniquely immer...

  • How Things Work: Immunotherapy

    Scitech — May 1, 2017

    The immune system is an amazing ensemble of organs, cells and substances that work to identify and fight off foreign agents, such as bacteria and viruses. It attempts to keep an individual free from i...

  • Young’s double slit experiment revolutionized physics

    Scitech — April 24, 2017 (Carnival Review)

    One of the strangest experimental results ever observed is that of the single particle double slit experiment. It is one of the most stunning illustrations of how the quantum world is fundamentally di...

  • Information has a finite speed

    Scitech — April 24, 2017 (Carnival Review)

    Light is the fastest thing in our universe. Its speed is a universal constant that no object with mass can attain or surpass. We know these truths thanks to Einstein and his brilliant theories of spec...

  • The expansion of the universe is steadily accelerating

    Scitech — April 3, 2017 (Natrat)

    Cosmologists have known for almost a century that our universe isn’t static. In 1919, Edwin Hubble gazed up at the universe through his powerful telescope and made two ground-breaking observations: th...

  • Stress is the body’s physical reaction to disturbing stimuli

    Scitech — March 6, 2017

    At Carnegie Mellon, stress is a conversation starter. When we have a lot of exams and homework, we feel stressed. When we say you feel stressed, scientifically, what do we mean? Stress is a concept in...

  • SpaceX’s reusable rockets make space travel much cheaper

    Scitech — February 27, 2017

    Launching things into space is expensive — really expensive. A rocket costs more than a commercial jet. But unlike jets that make thousands of trips before being retired, rockets are used only once be...

  • Water Purification and PWSA

    Scitech — February 6, 2017 (Encompass)

    With a simple turn of a handle, you have access to clean water. And, as residents of Pittsburgh have discovered in the past week, the cleanliness of water dramatically affects one’s quality of life.
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  • Self-Driving Ubers navigate

    Scitech — December 5, 2016

    Since allowing customers to hail self-driving cars in mid-September, Uber’s futuristic vehicles have become a common sight around Pittsburgh. With their roofs chock full of cameras and spinning sensor...