Search results for “filter paper”

How do air filters work?

How do filters remove particles from the air and reduce exposure - especially the small ones? As this Risk Bites primer shows as it dives into the science of aerosol particle capture, it may not be how you think! Air filters are an important tool for protecting health, improving air quality, and

How do face masks and respirators work?

How do face masks and respirators prevent you from breathing in harmful particles? As respiratory protection against coronavirus becomes increasingly important, Risk Bites dives into the science of face masks and respirators, and explores what makes for good protection, whether it’s a professional

What are my sunglasses good for?

Sunglasses are important – and not just because they look cool: UV radiation can cause cataracts. But how do I know if my sunglasses really filter out UV radiation? Does it depend on the price? How does the protection work at all? You asked, we have the answers. More information about sun protection

HOW TO GET INTO LSE TO STUDY BSC MSB

Join Profs founder and admissions expert Richard Evans as he shares his expert, insider knowledge on how to get into LSE to study a BSc in Maths, Statistics and Business. Richard has helped over 1,000 students apply to top universities in the UK. Get your FREE personal statement template and applic

HOW TO PASS THE 11 PLUS EXAM

Dickson Wong, our award-winning subject tutor reveals the most optimal strategies to prepare for and ace the 11 Plus entrance exam, commonly used by grammar schools across the UK. He is experienced with a breadth of age groups and curriculums, having taught students from Year 3, GCSE and A level al

HOW TO SMASH THE CSAT TEST

Mike Luya is a university admissions expert, mathematician and multiple subject-tutor. Having graduated from Cambridge and tutored professionally ever since, Mike has accrued a wealth of knowledge about the higher education system and the admissions process of top universities. In this guide, Mike s