By Walt Hickey Liking Numlock? Forward today’s email to a friend you think may enjoy it and might subscribe. Cheap Tunnels Elon Musk showed reporters a Tesla-in-a-tunnel that his company, The Boring Company, had drilled. The car ride was bumpy and unpleasant and the concept of making new tunnels in order to allow for automatic automobile traffic is dubious at best. But there is a solid innovation here that’s gotten lost in the richly deserved scoffing, namely that the 12-foot wide, 1.14 mile-long tunnel cost
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