The incredible power of blue LEDs
LEDs dominate lighting systems but their efficiency rests on the tricky production of blue light.
from BBC News - Technology https://ift.tt/vjUQ1ZS
from BBC News - Technology https://ift.tt/vjUQ1ZS
Apple told to pay back €13bn in tax by EU
The European Court of Justice upheld a 2016 decision that said Apple received unlawful aid from Ireland. from BBC News https://ift.tt/vaAIkHq
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