The Secret to Blowing Massive Soap Bubbles

The Secret to Blowing Massive Soap Bubbles

That's what's happening, physics-wise, when we blow bubbles through a ring at then end of a little plastic wand: the jet forms at our lips and is wider than the soapy film suspended within the ring.

Unilever to Halve Use of New Plastic as Uproar Over Waste Grows

Unilever to Halve Use of New Plastic as Uproar Over Waste Grows

Unilever pledged to halve its use of newly made plastic by 2025 as the consumer-goods industry wrestles with growing criticism of the environmental impact of throwaway packaging.

The Secret to Soap Bubbles' Iridescent Rainbows

The Secret to Soap Bubbles' Iridescent Rainbows

When it comes to reflected light, you get a half wavelength phase shift if it reflects off a material with a higher index of refraction. As the film thickness changes, different wavelengths of light achieve constructive interference.