Curious Minds Blog

What is the most sustainable gift you can give anyone? The answer is simple; it’s a gift that they actually want and will love using. Ideally that gift is also a gift which is durable, such as one of the Klean Kanteen thermally insulated cups, or the reusable ChicoBag reusable snack & lunch bags, both ranges are very durable and will be used daily cutting down on disposable single use plastic. They're also pretty and stylish, an added bonus whilst trying to save the planet.

Crooke's Solar Radiometers were used to demonstrate how solar radiation is converted to kinetic energy. Invented by Sir William Crooke in the 1700's, they're now make popular gifts for science enthusiasts.

Solar Radiometers come in all shapes and sizes, but what they all have in common is a transparent bulb which houses a set of vanes mounted on a spindle in a near vacuum.

A Klein Bottle is a very decorative mathematical model, an interesting conversation piece, and a great present!

A Radiometer is a device used for measuring the power of electromagnetic radiation. Usually a radiometer is an infrared radiation detector or ultra...