#2742: ClimberTimer

There is an interesting, simple test of one’s nervous system health- how long can you stand on one leg (it’s harder with your eyes closed)?

People, especially older people, have very serious accidents climbing ladders…some of these are caused by a failure of balance.

Invention of the day, then, is a ladder fitted with a small electronic scale on the lowest rung, linked to a lock which prevents extending the ladder.

This system requires you to stand on the scale for a minimum time, before it can be opened and used for actually climbing.

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