water powered clock
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± 2 weeks of history needed
Clock that runs on a cell filled with water and a pinch of salt instead of batteries.
Why is this product on the list?
Characteristics:
battery-free
More sustainable than the conventional alternative
Works without batteries or grid power; there is no ongoing stream of disposable batteries with their production and chemical waste.
Estimated CO2 saving: An estimated 0.2 to 0.5 kg per year less CO2 than a clock on disposable batteries, including production and transport.
Indicative estimate based on public life-cycle studies, including production and transport, not a certified measurement. Actual savings depend on usage and on what you replace. See our sources
Score breakdown per source
The trend score measures acceleration, not volume. Each source has its own weight. How it works.
Google Trends
interest 0/100
40%
weight
YouTube
101,436 views (30 days)
25%
weight
Wikipedia
insufficient data
20%
weight
Nieuws (GDELT)
insufficient data
15%
weight
Trend score: last 30 days
The chart appears once several days of measurements exist.