Neues Licht in der Stadt: Ulm im Lampenfieber – LED statt giftigen Leuchtmitteln
Neues Licht in der StadtAlte Lampen im Ulmer Stadtgebiet werden weiter gegen sparsamere LED-Leuchten ausgewechselt – für viel Geld.
In einer Winternacht sieht man den Unterschied am besten: zwischen einer alten Natriumdampflampe mit warmer Lichtfarbe und einer neuen LED-Leuchte mit kühlem Licht.⇥
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