BUYING a , reader Humphrey Evans hoped it would make him… well, happy. The idea is that on dark mornings you sit close to what is essentially a small array of daylight-spectrum fluorescent tubes for up to 2 hours.
He has, however, instead become somewhat distressed by the exacting demands the instructions make when he’s matching exposure times to his distance from the unit. For a half-hour blast, the instructions say to position yourself 228.6 millimetres from the unit – moving to 685.8 mm if you are planning a 2-hour session.
What happens if…
