The $16K Humanoid Robot Leaping into Production [video](youtube.com)11 points by mgh2 2 years ago | 1 comments
I Built a Mechanical Calculator [video](youtube.com)81 points by lispybanana 1 year ago | 21 comments
How electric trains work and why they make interesting sounds [video](youtube.com)180 points by zdw 2 years ago | 71 comments
NASA's Future SLS Booster Failed Its First Test [video](youtube.com)3 points by perihelions 1 year ago | 0 comments
Teslas monitor everything – including you [video] from WIRED(youtube.com)116 points by mdhb 1 year ago | 87 comments
![Screenshot of youtube.com: The $16K Humanoid Robot Leaping into Production [video]](https://hn.urlbox.com/shots/renders/2024/8/26/f2975a6b-1420-4f94-8492-b4e3531568dc.jpg)
![Screenshot of youtube.com: Attempting to Make the Smallest* Electric Motor [video]](https://hn.urlbox.com/shots/renders/2025/6/17/1344e96f-6545-49d6-8f22-f1e5a18c92c2.jpg)
![Screenshot of youtube.com: I Built a Mechanical Calculator [video]](https://hn.urlbox.com/shots/renders/2025/3/13/7fe297ed-e663-4b1c-9498-1952422b41d3.jpg)
![Screenshot of youtube.com: How electric trains work and why they make interesting sounds [video]](https://hn.urlbox.com/shots/renders/2024/10/10/4bee9743-5194-430a-9f48-c9415a4a2a73.jpg)
![Screenshot of youtube.com: NASA's Future SLS Booster Failed Its First Test [video]](https://hn.urlbox.com/shots/renders/2025/6/27/918e3af0-ce80-4625-8c27-200fa01bad57.jpg)
![Screenshot of youtube.com: Teslas monitor everything – including you [video] from WIRED](https://hn.urlbox.com/shots/renders/2025/2/27/371dfbb8-2bc7-48ba-8375-dc58dc0b81c9.jpg)