Listener Eric asks if vehicles are only motorized, and we ponder how small a thing can be before it’s not a vehicle anymore.

John Siracusa and Jason Snell

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Can a drinking glass be made out of plastic? Or is it just a cup?

John Siracusa and Jason Snell

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Summer is in full swing, so Listener Ken has asked us to differentiate between umbrellas and parasols.

John Siracusa and Jason Snell

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Listener Marc ponders the “VR headset market” and wants to know what makes a market a market.

John Siracusa and Jason Snell

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Listener Eric really needs his kids to differentiate between charger blocks and charging cables.

John Siracusa and Jason Snell

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Listener Christian, your time has come. Is an AI Lock the same as a Smart Lock? Or a Fuzzy Logic Lock? When bicycle gear shifters are called “AI”, how do we define what any of this means? I know—let’s ask John.

John Siracusa and Jason Snell

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Listener Lorne asks what makes a spacesuit a spacesuit, and it gets complicated in a hurry.

John Siracusa and Jason Snell

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Let’s get back to basics. We celebrate our improbable 10th anniversary with a letter from Listener Scott, who has a lot of questions about his son’s book “Science Comics: Robots and Drones.”

John Siracusa and Jason Snell

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Listener Paul doubts the efficacy of the Bay Leaf. Host John ponders the longevity of Spices. Host Jason admits to keeping spices 15 years past their expiration dates.

John Siracusa and Jason Snell

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Listener Jason (not host Jason) wants to know if “non-tech items” are really tech items.

John Siracusa and Jason Snell

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