Solar Power Condom

Artist Michael Jones McKean has harnessed nature with his DIY rainbow machine, a mechanism that uses reclaimed rainwater and solar power to shoot man-made rainbows across the sky at whim. High powered jets and fountain nozzles shoot a heavy wall of rainwater into the air, crea ...more

As sheltering at home orders ease up, we still have to remain respectful of social distancing. Camping is one of your best options. You'll avoid the crowded beaches and trails while still soaking up nature. Right now we can all use some fresh air and sunshine. The last thing ...more

Solar panels are an amazing invention. Catching energy from the Sun before it even enters Earth's food chain, photovoltaics are like an all-natural nuclear power plant. Unfortunately, the constituted parts of a solar panel are rare, valuable, and subject to the coercive forces ...more

In this video, I show you a technique for hacking a four foot mega magnifying lens out of your old projection TV. Not only are these TVs everywhere, they can be found easily—for FREE! Video: . Don't throw away that old TV! ... ... Hack it! Into a free energy device! A 4 food m ...more

André Broessel of rawlemon has developed a solar energy generator that can use both sun and moonlight to create usable power. Oh... and it's gorgeous. The device is essentially a huge glass sphere filled with water that uses a ball lens to refract light in a way that increases ...more

A smartphone is pretty much useless with a dead battery. When you're out and about, it can be hard to find a place to plug in (if you remembered your charger, that is). But this DIY solar panel backpack made by electrical engineer Theodore Protasiewicz will help you use the sc ...more

Condom + Water = Fire Kinda. This is a quick 'survivalist' technique for makeshift solar fire-starting. Harness the power of sun. And at the same time you can make use of all those condoms* laying around. *Recycling scumbags is either gross or eco friendly. We are not sure o ...more

I am writing this quick post in response to the recent earthquakes and tsunamis that are affecting Japan. As soon as the news broke, and we began to hear of tsunami warning for our area, I immediately realized how under prepared I was for a natural disaster. The thing that dro ...more

A group of New Zealand students have designed the ultimate green addition for eco-friendly living: a "clip-on" Plant Room. The Plant Room is a small cubic room that bolts to the exterior of a building, allowing extra space for the typical cramped city dweller. The space is in ...more

It turns out that the popularity of soft circuit electronics has leaked out of the interwebs and into the hands of the U.S. military. Soft circuit electronics allow you to literally sew electronics circuits into fabric using flexible conductive thread instead of wire. Soft cir ...more

Science-fiction writer Jules Verne predicted many scientific breakthroughs, including the moon landing, tasers, and nuclear submarines. In his 1874 book The Mysterious Island, Verne writes: I believe that water will one day be employed as fuel, that hydrogen and oxygen which ...more

Not only does this solar-powered cinema have all the trimmings of a great movie theater — ticket booth, brick façade, Ionic columns, popcorn machine, fancy art deco signage —, it is itself remarkably trim: The Sol Cinema was commissioned by media arts charity Undercurrents an ...more

Graffiti is a great way of getting your message out to the masses. The earliest known graffiti dates back to 30,000 years ago and used the traditional apply-paint-to-wall technique. Though our paint now comes in cans and not from scavenged berries, the actual graffiti process ...more

You can do a lot more with playing cards than you'd think, like turn them into gift boxes, fling them like throwing stars, and make them levitate or disappear. You can even make them recharge your batteries. Instructables user Shawn Frayne was sick of having a bunch of dead ba ...more

There's nothing worse than when you come up with a brilliant idea while you're busy with other things and then promptly forget it. Whether it's the perfect ending for your novel or a comeback you should've said during that argument with your roommate last week, it's always ann ...more

Do you have two dollars and a water bottle? Then you can put together this simple but awesome solar-powered lantern that will provide more than enough light to read by at night. To begin, you'll need a water bottle, of course, some string, and optionally, a little bleach. You ...more

Omniscience is not required to make some really cool shit happen. Yes, it took a while, but we can make fuel from the Sun! Solar panels are basically our answer to God. And now that we can make solar electricity, finding the most efficient way to harvest it is tricky. Some so ...more

With over 1.5 billion people on this planet without electricity, it's hard for those of us in developed nations to even fathom how anyone can read, write, repair, or do anything else that we take for granted without any lights. While some of our First World problems pale in co ...more

What's the first thing you would do once you realized you were lost in, say, a desert? If you're like me, you would immediately pull out your cell phone and start dialing every number. But what if you have no service? What if your battery is dead? If you make this survival so ...more

2019 has been a great year for smartphone batteries. Several phones have topped the 5,000 mAh threshold, and Apple finally went all in on 18 W USB PD charging, which means millions of new users are finally taking advantage of fast charging. All of this gets even better when yo ...more

Here's a DIY dream. Solar-power, recycled bottles, snap'n'go toy car! Simple. How easy to transform trash into toys. Plastic bottles take 700 years to decompose in a landfill. And annually, America uses over 150 billion plastic water bottles. The inventor of this solar powe ...more

As our society and population grows, more developments such as housing and restaurants are built. While this is beneficial for us, it's not so great for the environment and the animals that occupy it. Some of the victims of our prosperity have been the birds, forced from their ...more

For this project, I sacrificed some of my kids' clothes and a can of tuna to make some high-quality fire starter! Here's how to make a great batch of char cloth to add to your emergency survival kit. Video: . WARNING: This project should not be attempted without adult supervis ...more

What do you do when your favorite new car is still two years away from hitting the road? Look to augmented reality, of course. That's what one app developer did in the wake of Elon Musk's Tesla Cybertruck reveal a couple of weeks ago. Now, anyone looking to get their own up-c ...more

Here is how you can build a frame for your MEGA SOLAR SCORCHER in under an hour, and for less than $8!! This is effectively a 4 foot magnifying lens that concentrates insane amounts of heat from the sun. What would you do with all this free solar power? My design for this cust ...more

Just days before the release of the first image of the Magic Leap device, the company's CEO, Rony Abovitz, knew that the biggest moment of his life was about to unfold the following week. But instead of hunkering down in the Florida-based confines of the company's skunkworks, ...more

A common misconception is that all car batteries die. This, in fact, isn't true—the majority of "dead" car batteries just don't contain enough juice to power a car, but they can still provide enough watts to keep emergency fans and lighting running, which is great when a power ...more

On Thursday, Mojo Vision, a startup comprised of former engineers from Apple, Amazon, Google, and other Silicon Valley mainstays, emerged from stealth backed by $50 million in funding for a hands-free augmented reality platform that runs without smartphones, tablets, or other ...more

MATLAB, an acronym for "matrix laboratory," was created over 40 years ago to service the applied mathematics community. The powerful programming language now has over four million users worldwide and is of particular import to engineers, scientists, and economists. While inte ...more

If you saw this so-called automobile out on the street, you'd probably think a UFO had landed, but sure enough, it's a car - a solar powered race car. Japan's Tokai Challenger solar vehicle won the 2009 Global Green Challenge, with speeds of up to 93MPH, running at only 1.8KW ...more

It's September 1st, 1859, and the Earth looks more or less like something out of an apocalyptic movie or Sci-Fi novel. All communications have failed, it's so bright outside at midnight that people are getting up and making breakfast, and people all over the world are seeing a ...more

The International Space Station is a habitable man-made satellite currently in orbit around the Earth. Launched in 1998, the ISS is used mainly as a microgravity and space environment research laboratory where astronauts perform experiments in large variety of fields, includin ...more