You Could Slide a Truck Down This Monstrous 50-Foot Long Slip N' Slide

If the Slip N’ Slide had one failing (besides killing a strip of grass in your parent’s backyard or injuring riders) it was that your slippery ride was over in the blink of an eye. But with this gigantic 50-foot long alternative, your slide will at least last take three or four blinks, if not more. » 5/23/15 7:00pm 5/23/15 7:00pm

Plan Your Free Online Education at Lifehacker U: Summer Semester 2015

Your education doesn’t have to stop once you leave school. We’ve put together a curriculum of some of the best free online classes available on the web this summer for the latest term of Lifehacker U, our regularly-updating guide to improving your life with free, online college-level classes. Let’s get started. » 5/13/15 1:12pm 5/13/15 1:12pm

What's the Best Fan?

In short order everyone will transition from complaining about how cold it is to complaining about how hot it is, especially me. A fan is a great thing to have around to supplement your air conditioning, or depending on the temperature, protect your electric bill from your A/C unit getting run at all. But which fan is… » 4/27/15 3:46pm 4/27/15 3:46pm

These Aerial Beach Photos Were Shot While Dangling from a Helicopter

Antoine Rose shoots photographs from the air. He shoots them hanging off the edge of a helicopter thousands of feet above ground—in wind, in subzero temperatures, in the dark. But sometimes the conditions are just right for a day at the beach, and Rose captures these surreal, candy-colored images of the sand and… » 8/21/14 12:12pm 8/21/14 12:12pm

Golf trick shot activates Rube Goldberg machine to cook hot dogs

You would think that you could only do so much with golf trick shots but David Kalb, trick shot extraordinaire, takes it to another level. He rigs his trick shots so they have to be absolutely perfect because they eventually turn into Rube Goldberg machines that can make hot dogs and create flaming watermelon heads. » 7/12/14 12:00am 7/12/14 12:00am

Why Smooth Surfaces Make Your City Sizzle in Summer

It's not just you, city-dwellers. Urban areas actually do get noticeably hotter than the rural areas around them, and that's especially problematic in summertime. Why does that happen? Well, a new study says it all has to do with the aerodynamic shape of your city. In other words, the smoother your skyline, the… » 7/10/14 12:40pm 7/10/14 12:40pm