Angles of elevation and depression are angles that are given from above or below a horizontal perspective. For example the angle that is made when you look up at something is an angle of elevation.

Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.

IMMEDIATE RELEASE From the producers of The Bowie Lives, OutShout Entertainment proudly presents An Evening at CBGB, featuring Parallel Lines: Nothing but Blondie, PLUS, Stop Making Sense: A Talking ...

Abstract: An ultra-wideband (UWB) bandpass-filtering microstrip circuit with an embedded in-band transmission zero (TZ) for co-integrated angular displacement RF sensing is reported. It is based on a ...

Warren Buffett has criticized the airline industry. Delta Air Lines and United Airlines are leading a new era of profitability among network carriers. Both airlines have improved operationally, and so ...

“I think that maybe it’s not two circles but one,” says Sebastian, the protagonist of Edward St Aubyn’s scintillating new novel Parallel Lines to his newly discovered sister, Olivia. They are looking ...

Death, psychosis, apocalypse — it’s a strong mixture for a novel. In the hands of a writer less capable than Edward St Aubyn, it would probably add up to a fatal dose for a book that you were actually ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Therapist Martin Carr is in a quandary. He has learnt that a new patient, Carmen, is already known to his ...

Crows are able to look at a handful of four-sided shapes and correctly distinguish those that exhibit geometric regularity from those that don't, according to a provocative new study. It's the first ...

Extended time spent scowling at screens isn’t good for a lot of things, health-wise (sleep, focus, the list goes on), but it can also expedite the arrival of pesky forehead wrinkles—namely 11 lines, ...