demo · HACKER NEWS RECOMMENDATION
Wireless vs wired DC fast charging efficiency test
Bjørn Nyland · 1 HN recommenders · 1 recommendation months
Recommended by 1 Hacker News commenters across 1 months (2022–2025).
SignalTube analysis
Among 45 other demo videos tagged Cars, EVs & motorcycles, the mean is 0.9 distinct HN recommenders. This video has 1 distinct HN recommenders, close to that mean. Recommendations span 1 distinct month; the peer average is 0.9 months. This is a data-derived comparison, not a human review or quality rating.
20% of its 5 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2022–2025; those years describe discussion history, not upload date. Its verified runtime is 25 minutes 40 seconds. YouTube lists its publication date as 2022-03-18.
- Channel / speaker
- Bjørn Nyland
- Verified runtime
- 25m 40s
- YouTube upload date
- 2022-03-18
- Hacker News mention years
- 2022–2025
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other demo videos in Cars, EVs & motorcycles. “Shared recommenders” counts HN users who recommended both videos in the source graph.
| Video | HN recommenders | Recommendation months | Positive label share | Shared recommenders | Runtime | Upload date |
|---|---|---|---|---|---|---|
| Wireless vs wired DC fast charging efficiency testCurrent video | 1 | 1 | 20% | — | 25m 40s | 2022-03-18 |
| 1959 Chevrolet Bel Air vs. 2009 Chevrolet Malibu IIHS crash testdemo · IIHS | 5 | 5 | 31% | No recorded overlap | 1m 13s | 2014-01-07 |
| A New Car UI: How touch screen controls in cars should workdemo · Matthaeus Krenn | 4 | 6 | 100% | No recorded overlap | 3m 18s | 2014-02-18 |
| Simulating an Entire Car Engine (yes, it makes noise)demo · AngeTheGreat | 4 | 4 | 80% | No recorded overlap | 12m 4s | 2022-08-02 |
THREE SOURCE-BASED CONTEXT POINTS
Why Hacker News recommends it
Each note combines the dataset’s stance label and short rationale; comment bodies are not reproduced. Open the HN source for the original discussion.
The archive classifies this as a contextual reference in “Porsche demonstrates inductive EV charging at IAA”. Its short rationale: Evidence wireless can match wired charging efficiency.
The archive classifies this as a recommendation in “No more trip hazards: safe in-pavement electric car charging system pilot”. Its short rationale: Wireless charging beats wired in end-to-end efficiency.
The archive classifies this as a contextual reference in “Tesla launches Supercharger congestion fee at $1 per min at 90% charge”. Its short rationale: Shows wireless EV charging can be efficient.