Speed

The world of four-door sedans is about to get real, thanks to the 2015 Dodge Charger SRT Hellcat, unveiled Wednesday. Dodge claims it is the most powerful mass-produced sedan ever, at 707 horsepower, as well as the fastest, with a top speed of 204 mph (328 km/h).

Genty has updated and uprated the design of its 2015 Akylone hypercar concept to provide even more power, with a 366 CID V8 with twin turbos that promises to put out more than 1,200 bhp, and provide the Akylone with a blistering 0-62 mph (0-100 km/h) time of 2.7 seconds.

Frenchman Francois Gissy has hit a peak speed of 285 km/h (177 mph) in just 6.7 seconds on his rocket-powered bicycle, making it the fastest anyone has ever ridden a bicycle.

The Bloodhound team from the UK has turned to 3D printing technology for one of the most critical parts of the high speed vehicle – a tip that, if all goes well, will be the first part of the car to break through the 1,000 mph (1,610 km/h) mark in 2015.

How does Usain Bolt consistently beat out his competitors? A team of physicists from the Universidad Nacional Autonoma de Mexico have analyzed his current world record 100-meter run ... and the results are rather amazing.

Graeme Obree has redesigned his Beastie prone bicycle ahead of an attempt to break the human-powered land speed record and, potentially, the 100 mph (161 km/h) barrier at the same time.

The Nissan GT-R recently set a new Russian ice speed record atop the world's deepest lake.

A state-of-the-art rocket-propelled motorcycle built by Glenn Brittian has found a new home.

A cheese-powered dragster designed by researchers at USU has set a new record for a vehicle of its class.

DARPA's Cheetah robot has set a new robotic land speed record, outpacing even the human speed record set by Usain Bolt in 2009.

Virtual prototyping using ANSYS engineering simulation software is the key to Speedo's new Fastskin3 Racing System for swimmers.

Nike has unveiled a new track uniform for professional athletes which uses the same principle behind the dimples on a golf ball to lessen drag.