New technique to speed up or slow down human heart cells growing in a dish on command by shining a light on them and varying its intensity. The cells are grown on graphene, which converts light into electricity, providing a more realistic environment than standard plastic or glass laboratory dishes

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New technique to speed up or slow down human heart cells growing in a dish on command by shining a light on them and varying its intensity. The cells are grown on graphene, which converts light into electricity, providing a more realistic environment than standard plastic or glass laboratory dishes