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1.
Show HN: What if the speed of light was 5 km/h? (news.ycombinator.com)
2026-09-10 | get Relativity The Special and the General Theory Einstein book → | tags: speed of light, special relativity, length contraction
2.
FDA approves robot that can find your vein, insert a needle, and draw blood without human help (techspot.com)
2026-08-20 | by Rob Thubron | tags: aletta, fda, vein finder
3.
A robot could eventually conduct your blood draw at the doctor's office (engadget.com)
2026-08-19 | by Anna Washenko | tags: aletta, fda, blood draw
4.
Radar Laboratory – Interactive Radar Phenomenology (news.ycombinator.com)
2026-04-25 | get Weather Radar Simulator Kit → | tags: radar, doppler, antenna
5.
Phyphox – Physical Experiments Using a Smartphone (news.ycombinator.com)
2026-04-12 | by Sebastian Staacks | get Smartphone Sensor Experiment Kit → | tags: phyphox, smartphone sensors, german physical society
6.
How Passive Radar Works (news.ycombinator.com)
2026-04-09 | get Passive Radar Signal Receiver → | tags: passive radar, digital tv, fm radio
7.
Understanding the Kalman filter with a simple radar example (news.ycombinator.com)
2026-04-08 | by Alex Becker | get Kalman Filter for Radar → | tags: kalman filter, radar, doppler effect
8.
Understanding the Kalman Filter with a Simple Radar Example (news.ycombinator.com)
2026-04-08 | by Alex Becker | get Kalman Filter for Radar → | tags: kalman filter, radar, doppler effect
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