Car and Driver on MSN22d
New Tesla Model Y's Special Headlights Won't Blind Oncoming Drivers
Anyone who has driven a car equipped with the old sealed-beam headlights from the 1980s will know that modern LED lighting ...
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Sealed radioactive sources
Sealed radioactive sources are either installed in devices that allow the source to move safely in and out of the shielding when the radiation beam is to be used, or in devices that allow a beam of ...