In this week's comments update, readers are confused about the shape of a prototype Hyperloop capsule, and blown away by plans for the Wuxi Show Theatre in China.
To the point: readers were transfixed by the shape of a prototype for a Hyperloop passenger capsule designed by Priestmangoode.
"That nose-cone would cut through its path cleanly, like a hot knife through butter," said Jack.
However, Mat wasn't sure why a streamlined shape had been chosen, asking: "If it's in a vacuum tube does it still need to be that shape""
Peter B was also confused: "As it's intended to be run in a vacuum, why the streamlining" Why does it need styling at all" Guess this is all just unnecessary PR hype in reality."
"'The capsule would make up just one section of a longer train.' So it's a train carriage," observed Oinonio. One commenter was already imagining the joy of the ride:
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What do you think of the prototype" Join the discussion ?

Visual feast: plans have been revealed for the Steven Chilton Architects' designed Wuxi Show Theatre in China, and readers are mesmerised by the visualisations.
"The contrast with the context and unvarnished depiction of everyday China in some of these images is haunting. The image of the old woman on the bicycle trailer is sublime," praised Melanie Thorpe.
Ho added: "Kudos for showing China and its smog filled skies as they are, the design is very beautiful."
"Lovely ...