A section of Kiambu Road/FILE The Government of Kenya has announced plans to expand Kiambu Road from a two-lane single carriageway to a four-lane dual highway with two service lanes on both sides ...

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As hot weather sets in, might it be time to invest in a portable air conditioner? Here are the best, recommended by experts ...

This paper designs $a\ \boldsymbol {90^ {\mathrm {o}}}$ 3dB Lange coupler with low over-coupling and low return loss. The coupling line width and coupling line spa ...

We report fabrication of a Nested Antiresonant Nodeless hollow-core Fibre (NANF) with a minimum loss of 1.3dB/km at 1450nm and a 65nm bandwidth below 1.5dB/km. The 0.5-km long fibre is effectively ...