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Updated: 16 hours 58 min ago

Make a shake flashlight out of a cardboard tube

Tue, 2014-10-21 07:00
This quick project makes a useful emergency flashlight while recycling your leftover cardboard.

Stanley Jevons goes skiing and the rebound effect gets gnarly

Mon, 2014-10-20 08:53
Another example of how LEDs may well lead to more energy consumption, not less.

It's sixty years since the first portable transistor radio went on the market and started a revolutlon

Mon, 2014-10-20 08:07
On October 18, 1954 the Regency TR-1 put music in your pocket for the first time.

Solar battery is powered by light and air

Mon, 2014-10-20 07:00
Is it a solar cell? A rechargeable battery? It's both!

World's first digital vacuum cleaner cleans the dust from your personal cloud

Wed, 2014-10-15 14:00
One of the world's largest appliance companies has been cleaning our homes for over 100 years. Now it wants to help clean your second home with the World Wide Vac.

Solar 3D printers take manufacturing off the grid

Wed, 2014-10-15 07:00
Groups working in developing regions could use solar-powered 3D printers to make tools, lab supplies and more on the go.

WakaWaka Power gets a big brother with the new solar-powered 'first aid kit'

Tue, 2014-10-14 11:52
Almost every home has a first aid kit for health emergencies, but shouldn't we also have a power and light first aid kit to help keep the lights on?

Robots reveal the secrets behind how sidewinder snakes move

Mon, 2014-10-13 08:22
The snakes have the ability to conquer steep hills of sand, a feat that robots have yet to conquer, until now.

The latest in rocket mass heaters: Permaculture pundit Paul Wheaton on sustainable heating

Wed, 2014-10-08 17:53
The so-called 'bad boy of permaculture' advocates for rocket mass heaters as the most sustainable and cleanest method of heating our homes.

Soccer field lights powered by kids' pounding feet

Wed, 2014-10-08 07:00
A community soccer field in Rio de Janeiro stays well lit at night thanks to energy harvesting tiles laid under the turf.

Blue LED inventors win Nobel Prize for "energy-efficient, environmentally-friendly light source"

Tue, 2014-10-07 12:10
The three men's invention will save humanity a gigantic amount of energy and make it easier to switch to renewables.

Make LED turn signal gloves for biking at night

Tue, 2014-10-07 07:00
These easy-to-make gloves will help keep you safe on your night rides.

Solarbox converts old London phone boxes into free solar charging stations

Mon, 2014-10-06 09:08
The iconic red phone boxes are getting a green face lift.

ReVIVE ReStore RA4 folding solar charger is a great gateway panel (Review)

Thu, 2014-10-02 16:00
This affordable portable solar charger could start you down the road to a serious solar habit.

Organic, easily recyclable batteries could replace lithium-ion

Wed, 2014-10-01 09:20
Alfalfa seeds and pine resin are two major sources of material for these new batteries.

Slow Watch single-handedly reimagines your relationship with time

Tue, 2014-09-30 12:22
This twist on analog timekeeping promises to help us shift the way we see time, and to stop chasing every minute.

Teenager invents faster way to clean up toxic tar sands waste using sand and bacteria

Mon, 2014-09-29 08:45
The breakthrough also scored 18-year-old Hayley Todesco a Google Science Fair Award.

UPP fuel cell gadget charger: Personal portable power from hydrogen (Review)

Thu, 2014-09-25 14:03
This small hydrogen fuel cell charger promises a week of clean power for your gadgets. But is it ready for prime time?

Everybody knows fast-charging is bad for batteries... except maybe it isn't

Thu, 2014-09-25 13:29
"The light that burns twice as bright burns half as long." Or maybe not.

Meet the Pi-Top, the 3D-printed Raspberry Pi laptop

Wed, 2014-09-24 08:22
Keeping with the spirit of the Raspberry Pi, the laptop kit is one you build yourself.