As we move beyond the main peaks of the Coronavirus pandemic, it remains important to conduct COVID-19 risk assessments in workplaces, and a key element in that is to check for poor ventilation. Guidance from the HSE for the post-pandemic period states: “The priority for your risk assessment is to identify areas of your workplace […]
As an island with a proud naval heritage, it’s no surprise that the waters around the UK are home to literally thousands of wrecked ships. But it’s often hard to find much information about shipwrecks in the north UK, when so many ‘best scuba dive’ articles focus on the south coast. Here we’ve picked five […]
Installing a gas alarm on a boat is a sensible precaution to protect against leaking vapours from butane, propane and petrol supplies – all of which are heavier than air and can collect in large quantities unnoticed. Because of this, it’s important to get your gas alarm installation right. In this guide we’ll look at […]
There are many types of common optical filters used in everyday life, from UV filters to coloured lenses for lights and cameras. Some have very specific scientific applications, while others are purely aesthetic. In this article, we’ll look at some of the most common optical filters and what they are used for. Optical thin-film filters […]
Many of us have spent the past year counting down the days until we can get out and about again, whether on foot, on wheels or by boat. With more of the UK leisure and tourism sector opening back up in the coming weeks, and international travel still in considerable doubt, this is likely to […]
Deep sea divers normally breathe a mixture of nitrogen and oxygen, called nitrox or EAN (Enriched Air Nitrox). While Earth’s atmosphere is 78% nitrogen and 21% oxygen, nitrox is typically 32-36% oxygen. Increasing the amount of oxygen reduces the risk of decompression sickness, also known as ‘the bends’, which occurs when inert gases dissolved in […]
Cave diving is a popular pastime among thrill-seekers and rightly deserving of its reputation as one of the most dangerous extreme sports you can attempt. A report titled ‘The Learning Curve’ and published by the Cave Diving Group estimated a fatality rate of one in every 3,286 dives – often enough to take seriously. Some […]
