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Ja pridam trochu kritiky:

Je to cool, je to art, ale ma to nejake prakticke vyuzitie?

Ziarovky su vacsinou skryte za tienidlom, aby ich svetlo nesvietilo priamo, aby nevypalovalo oci. Ak by to bolo skryte za tienidlom tak by ten 'cool efekt' zmizol.

V tomto pripade to ani nieje treba, pisu ze svietivost je 60 lumens, co bude nieco asi ako 10W ziarovka (ako nocne svetielko). Ale znova, v noci by nebolo vidno cool efekt.

Bezdrotovy prenos energie pravdepodobne sposobi velke straty, takze bude velmi neusporna. Trochu som si to preratal s pomocou obrazku
https://store.bluerockenergyservices.com/assets/Uploads/bulb-efficiency-chart.jpg
Bezna ziarovka: 11-16Lm/W
Usporna LED ziarovka ma: 50-80Lm/W
V specifikacii pisu "Efficiency 16Lm/W", aj ked ziarovka je LED. Takze zvysok ide asi do strat pri prenose a napajanie magnetu.

Zaujimavym sa mi zda skor ten "Flyte maker kit"
https://www.kickstarter.com/projects/flyte/flyte-levitating-light

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  submission:: Re: Neobyčajná žiarovka sa vznáša: kritika :: NEW (0 children )   (fds)


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