Elimu TV

15/04/2026

Reading Time: 6 min readWe are living through a period of heightened global uncertainty. From climate and food insecurity to global health challenges and democratic instability, chronic inequities are deepening, widening access gaps to...

30/11/2025

A private school in Thika is looking for a Head teacher with a degree in education,good experience in school management and a TSC No. Mathematics as a teaching subject will be an added advantage. The school has both primary and junior secondary sections.Whatsapp your details to 0794283372 for interview and consideration

31/10/2025

29/10/2025

27/10/2025

19/10/2025

In Ghana, an age-old building technique is getting a smart, sustainable upgrade — using clay walls with built-in spiral vents that act like natural air-conditioners. These specially carved walls channel the wind through curved grooves, forcing the air to swirl and slow down as it enters the room. This swirling motion cools the air significantly, creating a gentle breeze that lowers indoor temperatures without the need for electricity or fans.

The technique takes inspiration from traditional West African architecture but adds a modern twist. The vents are precisely sculpted to optimize airflow, leveraging basic physics to provide comfort in hot, dry climates. As warm air flows along the spirals, it expands slightly and cools down before entering the space. The clay itself also helps — it absorbs heat during the day and releases it slowly at night, keeping homes naturally balanced.

These passive cooling walls are cost-effective, energy-efficient, and environmentally friendly. They reduce reliance on electrical cooling systems, cutting both carbon emissions and utility bills. For rural areas or regions with unstable power access, this solution offers year-round comfort using only earth and wind.

More than just functional, the spiral vents are visually striking — blending beauty with utility. Ghana’s clay wall cooling system is a reminder that sustainable innovation doesn’t always need high-tech solutions. Sometimes, it’s about reimagining ancient wisdom for the challenges of today.

09/10/2025

10/09/2025

A school at Thika is looking for a TSC registered headteacher with experience of managing an established urban academy with primary and JSS schools. WhatsApp your details to 0794283372