Scientists have found a way to make atoms dance with light, quite literally. In certain crystals, vibrations called phonons can now merge with light waves to form entirely new hybrid states of matter.
ARCEP says Airtel still delivers the worst service quality in Chad. Users face frequent outages despite the operator’s CFA50 bn ($89.5m) plan. Government demands visible improvements before year-end.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results