Pekka Somerto

@bogomep Thanks for clarifying - that's helpful. Hey - if anybody has difficulty with the redirect link to Amazon, simply savigate with a browser to your nearest American or European Amazon online shop and search for HumanCharger (spelling with no spaces). The product shows up in black and silver grey colours. Pick your favorite, and the code gives you 10% off at checkout.

Hi @bogomep - just checking back with you if you managed to get the code to work now?

Hi @bogomep - sorry to hear you ran into a glitch! The code is set up to work in the following Amazon shops: .com / .ca / .co.uk / .de / .fr / .es / .it. Spain was missing a short while ago, but now also active. After you type in the promo code HUNTER10 at the Amazon checkout page in the empty rectangle box, and click on the "apply code" button, the price of HumanCharger in your Amazon shopping...

I looked ag the Entrain app when we were developing the HumanCharger, and felt that we should make ours more practical and even simpler to follow. You can download the HumanCharger app free for iPhone, Android and Windows Phone. I'd love to hear back what you think of it. In particular if you're a Tripit user. Just use your imagination if you don't have the HumanCharger device yet.

Hi - maybe counterintuitive, the human body is light-sensitive in many parts in addition to the retina (of the eye), for many positive biological effects on us. No wonder, as we as species evolved under the sun. Many of the health effects of regular and adequate light have been understood decades ago and others have only recently become topics of research. Vitamin D metabolism for example is...