19:45artificial sunlightDemo
Building a realistic artificial sun (for dark winter days)
DIY Perks
9 HN recommenders
Search results
- Category: Physics, Space & Chemistry
Results for “ray”
14 videos19:45
4:26mars explorationTalk
Dr. Robert Zubrin with a brilliant answer to "Why Should We Go To Mars?"
Jamin Gray
3 HN recommenders
8:43
22:48x-ray fluorescenceDemo
Demo and teardown of an X-ray fluorescence gun (measures chemical composition)
Applied Science
2 HN recommenders
28:09satellite internetExplainer
How does Starlink Satellite Internet Work?📡☄🖥
Branch Education
2 HN recommenders
40:29
19:17circuit theoryExplainer
How Wrong Is VERITASIUM? A Lamp and Power Line Story
ElectroBOOM
4 HN recommenders
1:19:47nanotechnologyLecture
Richard Feynman "Tiny Machines" Nanotechnology Lecture - aka "There's Plenty of Room at the Bottom"
Muon Ray
1 HN recommender
23:03
5:09artificial daylight lightingDemo
The artificial skylight that you won't believe isn't real
Lux Magazine
1 HN recommender
6:18
1:44:34starlink radar capabilityExplainer
Is Starlink A Secret Radar Constellation?
Noise In Space
3 HN recommenders
1:02shatner space flightCommentary
William Shatner Tries To Describe The Awe of Space, Jeff Bezos Shoots Champagne Like An Asshole
Ron Jones
Discussed on HN
5:31Sources and selection
Physical explanations connect observations to models that can be tested. Here you can explore physics, astronomy, chemistry and space exploration, from introductory demonstrations to technical talks. The topic links help separate a first explanation of a concept from a closer look at an experiment, instrument or mission.
Indie Picks is organized from video metadata and uploader descriptions; it is not a full-video editorial review. HN Library retains community discussions. Sources and data notes