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Tag Archives: construction
The Microscope That Uses Quantum Physics to Trace Atoms
In the late 1970s, two physicists in Switzerland set out to invent a new type of microscope using quantum physics that would allow them to do something no one had ever done before: see the individual atoms in a sheet … Continue reading
Why Is It So Hard to Fix Traffic?
Fixing traffic seems easy—just add more roads, right? Turns out that this is a problem studied by physicists and psychologists alike, with no easy answers. Hosted by: Hank Green […]
The Fascinating World Inside of a Piano
[…] Recently I was lucky enough to get a top notch piano technician — Damon Groves on camera to explain all kinds of things related to how pianos work from the inside, how pianos are made, the different parts of … Continue reading
What do the pedals on a piano do? | Cunningham Piano Company, Philadelphia, King of Prussia, PA
[…] Pianos, keyboards and digital pianos can have one to three foot pedals that perform various musical functions. The most important pedal is the Damper or Sustain pedal, usually found on the furthest right on acoustic instruments, and the only … Continue reading
Elements of Webb: Salt, Ep10
The Webb Telescope is full of precise optical components, some of which include lenses made out of salt. Why? Find out why our infrared telescope requires this unexpected lens in this episode of Elements of Webb. Credits: NASA’s Goddard Space … Continue reading
BBC World Service – The Conversation, Rock on! The art of dry stone walling
Two women from Italy and the US discuss the skills needed to build a solid dry stone wall Dry stone walling is an ancient craft that goes back thousands of years and remains an important means of enclosing fields in … Continue reading
An unflinching speech encouraged Germany to face the Nazi past | Aeon Essays
Helmut Walser Smith is the Martha Rivers Ingram Chair of History and professor of history at Vanderbilt University in Nashville, Tennessee. His books include The Butcher’s Tale: Murder and Antisemitism in a German Town(2002), The Continuities of German History: Nation, … Continue reading
Why Do Itches Make You Chase Them?
Have you ever said, “No, a little to the left,” during a back scratch because the itch itself seemed to move? Well, it has to do with how your nerves and brain respond to the sensation. Hosted by: Michael Aranda … Continue reading
True hope takes a hard look at reality, then makes a plan | Aeon Essays
A general practitioner speaks to his patient’s palliative care nurses in Saint-Chamond, Loire, France, March 2021. Photo by Bastien Doudaine/Hans Lucas/Headpress Even when you know that prospects are grim, hope can help. It’s not just a feeling, but a way … Continue reading
Computer Scientist Explains One Concept in 5 Levels of Difficulty | WIRED
Computer scientist Amit Sahai, PhD, is asked to explain the concept of zero-knowledge proofs to 5 different people; a child, a teen, a college student, a grad student, and an expert. Using a variety of techniques, Amit breaks down what … Continue reading
Why the Pentagon is a pentagon
t’s pentagon time! Honestly, this free DOD book had everything I needed: https://history.defense.gov/Portals/7… That said, here’s a nice pop history I used (affiliate link): https://amzn.to/3Kfzw97 Here’s the breathless (and awesome) coverage in Popular Mechanics: https://books.google.com/books?id=WNY… Here’s a ton of construction … Continue reading
