TreeHugger Science-Tech

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Updated: 5 hours 28 min ago

Plants are talking and these sensors let us hear what they're saying

Mon, 2014-07-21 10:02
A new open-source sensor project taps into the electrochemical signals that plants send in response to the environment around them.

New Raspberry Pi Model B+ has upgrades, not more power

Wed, 2014-07-16 07:00
The Model B+ is an improvement on the Model B with some features that many people will be excited about.

Make a solar charger and stereo from an old cooler

Tue, 2014-07-15 07:00
This solar-powered stereo can charge your gadgets, fill your campsite or beach blanket with music and provide some light with a built-in LED lamp.

Smart irrigation controller uses in-ground sensors and weather forecast to reduce water bills by 60%

Mon, 2014-07-14 15:01
This adaptive intelligent watering controller for lawns and gardens could drastically reduce your water bill, while keeping your plants healthy and hydrated.

Sand boosts lithium-ion battery performance three-fold

Mon, 2014-07-14 08:57
Replacing the graphite in the batteries with quartz -- the primary component in sand -- could lead to electric car batteries that last three times longer.

Ditch disposable cups with this collapsible coffee cup that fits in your pocket

Fri, 2014-07-11 13:22
This handy little BPA-free travel mug will help you avoid having to use disposable cups, whether it's for coffee or tea or a double low-fat soy decaf chai latte.

This former semiconductor factory is now the world's largest indoor farm, producing 10K heads of lettuce per day

Thu, 2014-07-10 12:59
This indoor Japanese farm uses LED lights and hydroponics to produce lettuce 2.5 times faster, with just 1% of the water, when compared to an outdoor farm.

This beautiful ceramic Bluetooth speaker is powered by fire

Wed, 2014-07-09 15:04
With this wireless speaker, the music never ends, at least as long as you've got more candles.

Rugged robot from Saudi Arabia cleans dusty solar panels without using water

Wed, 2014-07-09 14:27
Deserts are sunny, so they're ideal for solar power. But they're also very dusty, which is a problem for obvious reasons.

Device cuts out 93 percent of lawn mower pollution

Wed, 2014-07-09 07:00
Students at UC Riverside developed a simple and cheap add-on device that almost completely eliminates the harmful pollutants emitted from gas-fueled lawn mowers.

Bostonians will be able to charge their gadgets with solar powered smart benches

Tue, 2014-07-08 14:53
Would you rather sit on a dumb bench, which just holds your butt off the ground, or a smart Soofa, which can both hold your butt off the ground and charge your phone with solar power?

Musical shaker could light the way home for African school kids

Mon, 2014-07-07 07:00
Spark is a musical instrument that harvests kinetic energy when it's shaken, storing it in a battery for powering LED lights.

This gadget repairs flat bike tires in 60 seconds, without having to remove the wheel

Thu, 2014-07-03 15:44
There's nothing like a flat tire to bring a bike ride to a screeching halt (short of an accident), but this invention could have you back in the saddle in less than a minute after a flat.

Solar panel-carrying donkeys bring internet to Turkish sheepherders (Video)

Wed, 2014-07-02 16:33
These "plug-and-play" donkeys, equipped with solar panels, allow sheepherders to catch up on the news and socializing while out on their rounds.

Thermostat technology lets you set a limit to how much you spend on energy

Wed, 2014-07-02 07:51
The thermostat add-on lets consumers set a limit to what they want to spend on cooling and heating and then it controls the temperature to keep energy use in check.

Personal sensor measures UV index, temperature, humidity, and more

Tue, 2014-07-01 13:49
These personal sensor devices offer continuous real-time monitoring of environmental data to help you make decisions that keep you safe and healthy.

Teach kids about circuits and astronomy with this fun project

Tue, 2014-07-01 07:00
The Starry Night paper circuit is a beautiful introduction to DIY electronics and the night sky.

Crowdfunded solar-powered smartphones become rainforest guardians to fight illegal logging and poaching

Mon, 2014-06-30 11:13
Your old smartphone can have a second life, listening for the sounds of illegal logging and poaching in the rainforest.

Tofu salt could make solar panels safer and cheaper

Mon, 2014-06-30 07:00
A salt that is used in tofu, bath salts and for de-icing roads could replace a more expensive and toxic solar cell component.

Breakthrough grid-scale renewable energy storage in a battery made from... gravel?!

Wed, 2014-06-25 14:45
To fully clean up the power grid, the world will need a lot of energy storage to handle intermittent renewable energy sources. Here's a very promising entrant in the race.