Readers are unconvinced by a concrete house on the Pacific coast of Puerto Vallarta, Mexico, designed by architecture practice HW Studio.

Commenters are discussing a revised "more-graceful" design of the proposed White House ballroom by architect Shalom Baranes.

Electronics brand LG has unveiled CLOiD, an AI-powered home robot that takes care of household chores like cooking and laundry, at the CES tech fair in Las Vegas. Readers share their thoughts.

Researchers have found that buildings demolished during the 21st century in European cities had a shorter lifespan than those in US cities. Commenters say it is "a very strange selection of cities to study".

Readers are debating Seattle Ultrasonics' C-200 ultrasonic knife, unveiled at the CES tech fair in Las Vegas and designed to vibrate more than 30,000 times per second for smoother cuts.

National Capital Planning Commission chairman Will Scharf has suggested the planned stadium by HKS for the NFL team Washington Commanders should have a "classical" design. Commenters disagree.

Readers are sceptical of technology brand TDM's "first-of-its-kind" audio device, revealed at this year's CES, which twists from headphones into a Bluetooth speaker.

Commoncraft has used a cantilevered volume to curve 545 Metropolitan over its neighbours, navigating the narrow Brooklyn site to provide more floor space. Commenters say it is a "nice application of NYC's single-stair law".

Australian studios Cox Architecture and Hassell have released visuals of a stadium in Brisbane set to serve as the main venue for the 2032 Olympic and Paralympic Games. Readers weigh in on the plans.