If you're watching a modern IndyCar race, you have have noticed the tubes attached to the driver's helmets while they drive and wond...
If you're watching a modern IndyCar race, you have have noticed the tubes attached to the driver's helmets while they drive and wondered what they're for.
from SlashGear - Tech, Cars, Gaming, Science, & Reviews https://ift.tt/zmnE5ig
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from SlashGear - Tech, Cars, Gaming, Science, & Reviews https://ift.tt/zmnE5ig
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