Waking Harleys, the fastest roller coasters, and brick-built spaceships in this week’s Beyond Cars roundup

NASA plans to send astronauts Barry Wilmore and Suni Williams returning home from the International Space Station aboard a SpaceX Crew Dragon and flying the Boeing Starliner The empty return. There’s just one problem: Boeing has removed the Starliner’s autonomous undocking feature from its software. The aerospace manufacturer wants to push a software update to the orbiting spacecraft, but NASA is worried it could do more damage. – Ryan Erik King Learn more

Air Canada Air Canada has cancelled a long-haul flight two weeks after an incident between one of its flight attendants and a passenger. The flight from Casablanca, Morocco, to Montreal took off from the gate but never reached the runway. The flight attendant It appears the plane had a seizure and was forced to return to the terminal after a woman asked for a blanket because the cabin was too cold. – Ryan Erik King Learn more

Jet The engines are relatively simple in their basic design, but advances in gas turbine engine Modern technologies have largely eliminated the reverse bucket thrust systems. These thrust mechanisms were once present on most jet enginesbut thanks to newer, more efficient engine designs, they are no longer commonly used in commercial jetsalthough some private jets with smaller and cheaper models engines still use them. The two halves of the “bucket” move hydraulically from the shield to the outside of the turbine engine to tighten behind the turbine, which redirects the wash jet and slows the forward movement of the plane once he landed. – Logan Carter Learn more

Testing your limits on the track can make you a safer driver on the road.

The family of Paul-Henri Nargeolet has filed a wrongful death complaint against OceanGate for gross negligence. Nargeolet, a French explorer, was often nicknamed “Mr. Titanic” for having visited the infamous sunken liner more than 35 times and for his expertise on the ship. He was one of five people killed when the OceanGate Titan submersible sank imploded catastrophically last year. – Ryan Erik King Learn more