In the olden days — a mere 20 years ago — people talked about hard colloidal particles and soft vesicles or micelles, which covered all sizes from the micrometre to the nanometre regime. Now we talk ...

It's easy to assume a piston skirt is just extra material that's left to act to guide the piston as it moves through the bore. But it actually performs a much more important task, which is to manage ...

without a vote A/76/617/Add.1 Financial reports and audited financial statements, and reports of the Board of Auditors ...