You've successfully tested the limits of how much can fit into a #10 envelope without bursting its seams, but now you're questioning how much postage you need. Sure you could just slap a few of the new 44-cent stamps onto whatever you're sending and be done with it, but that's good money you're throwing away.
Instead, spend just a few bucks now to build a simple magnetic postage scale, newly updated from an original article in the February 1971 issue of Popular Science.
For all he's done and all he's taught you, you'd think dear old Dad would be honored more than one day out of the year. And if you want to get technical, had he not teamed up with mom on that one long-ago DIY project, you wouldn't be reading this right now. So this Father's Day, pay homage to his tinkering spirit with something he'll use in future acts of glorious creation.
Throughout this guide, you'll find a wide selection of tools from free iPhone apps to a budget-busting hammer drill; an oh-so-convenient cordless glue gun and soldering tool; plus a variety of things to help him amp up his environmentalism, his swing, his gut, and his chances of getting a speeding ticket.
Our third updated DIY project from the Popular Science digital archives involves luring and then trapping bugs that have managed to find their way inside your house--a truly universal problem. Follow along as we update a circa-1971 trap for today's smarter, more intelligent insects for less than $20.
No doubt you have it on your calendars, but in case you forgot, the 25th is National DNA Day. Can't think how to celebrate it? Well, if you have $68,000 or more lying around, you can bid for a chance to have your entire personal genome sequenced by Knome, a company that does such things.
Legal-ish alternatives to marijuana exist, you just need to know where to look…er, smell. Apparently that’s what someone learned when they put the herbal incense brand “Spice” in their pipe and smoked it. The results were, like, totally rad, dude. It turns out Spice contains the synthetic substance JWH-018, which is incredibly similar to the main active component of marijuana. Although sold legally in many countries, governments around the world are lining up to put the kibosh on the Spice party.
Professional thieves beware! In addition to motion sensors, security cameras, flood lights, rent-a-cops and Doberman pinchers, there’s a new piece of technology designed specifically to ruin your day. And to make matters worse, it’s invisible. Well, not exactly invisible, but stare right at it and you won’t realize it’s there. Worried? Thanks to a novel new motion sensor developed by the Fraunhofer Institutes for Applied Polymer Research IAP in Potsdam-Golm, Germany, you should be.
How long does it take the Earth to revolve around the sun? Did the earliest humans and dinosaurs live at the same time? What percentage of the Earth’s surface is covered with water? Think you know the answers? Well, if you’re an American adult you may be frighteningly alone.
Is it the size of the wave or the motion of the ocean? That debate may never be settled, but a new study out of Italy suggests penile extender claims may not be as “short” on truth as widely assumed. Not something that concerns you, Mr. Well-Endowed? Well, considering the average American’s erectile length (5 inches) is well shy of the French (6.2 inches), Germans (5.6 inches), Italians (5.9 inches), Mexicans (5.8 inches), Chileans (5.5 inches) and Columbians (5.4 inches), consider it a matter of national pride.
The Swedes revere their beloved ABBA the same way Americans do the Boss. So it comes as no surprise one former band member is weighing in on the music copyright trial of the century currently taking place in the land of IKEA. On Tuesday, Björn Ulvaeus slammed supporters of the defendants in the case (The Pirate Bay), who “speak with trembling voices about their 'freedom' on the internet."