You step outside, locking your door and activating your home security system merely by visualising an image - it could be the colour of your lover's eyes, an oak leaf, or the hamster you had when you were six - in a biometric passthought keyed to your unique brainwave pattern.

Dr Carpenter first, unless I am mistaken, introduced the term ‘unconscious cerebration’, which has since then been a popular phrase of explanation.

Suppose, on the contrary, that a piece of charcoal saturated with hydrogen gas is put into a receiver filled with carbonic acid gas, […]

A school or district that is truly committed to delivering hybrid learning will find a way to help bridge the gap for learners without Internet access.