With in-person festivities still under pressure this Christmas, many more of us will be keeping in touch with friends and family via digital communications. Optical filters have a crucial role to play in enabling this, and will be the unsung heroes of long-distance get-togethers for many families over the holidays. But what do those little […]
Optical bandpass filters are filters that allow a certain spectrum of light to transmit through the substrate, while blocking unwanted frequencies using absorption, reflection or both. They can be used to transmit signals in a specific range of frequencies, from a very narrow band through to a very wide range. Envin Scientific manufacture bespoke optical […]
Installing a boat gas alarm is an important safety measure to detect LPG leaks and raise the alarm, both for the safety of those aboard, and to protect against damage or loss of the vessel. A boat gas alarm has several components. These include one or more LPG sensors, which are connected via cables to the […]
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 […]
