Pictures of the Week (slideshow)

Darth Vader himself would approve of the giant AT-AT sled that raced against 50 other entries in the 8th Annual Cardboard Classic last weekend in Lansing, Mich.

On June 26, 1898, Ferdinand Porsche's "Egger-Lohner C.2 electric vehicle," better known as the "P-1," rolled onto the streets of Vienna for the first time. In 1899, the P-1 took the gold medal (by a full 18 minutes!) against a field of other electric vehicles in Berlin. Then in 1902, as Porsche put the first all-wheel drive passenger car into production, the P-1 was parked in a warehouse...where it sat untouched for the next 111 years.

Now it's been recovered and is on permanent display, unrestored, at the Porsche Museum in Stuttgart, Germany.

The Airbus A350 XWB flies over Iqaluit, Nunavut in cold-weather testing. Another test version of the aircraft just completed hot-weather, high-elevation testing in Bolivia.

Airbus debuted the energy-efficient A350 XWB at the Paris Air Show in June 2013, pitting it chiefly against Boeing's 787 Dreamliner.

Since 2008, Luca Iaconi-Stewart has been working on a scale-model of a Boeing 777-300ER -- made out of manila folders. Though he took two years off during that time to go to college, the now 22-year-old has otherwise spent almost all his waking hours on the project, which is finally nearing completion.

False nails have been around a long time, but they've been mostly pretty staid. They tend to come in natural colors, red, or pinks, or with Hello Kitty patterns if you're getting really crazy. A pair of designer/artists known as The Laser Girls are turning the fake-nail world on its head with wild 3D-printed creations.

This big, street-legal Little Tikes car is your childhood on steroids.

Scientists P. Zelda Montoya and Barrett L. Christie, two aquarists from the Dallas Zoo and Children's Aquarium, have created peanut butter and jellyfish -- because they can.