![](https://cdn.myportfolio.com/31f5aa09-6a82-42a7-892d-edc3788b063b/e5eb38da-c457-4015-83b6-6665fb41221c_rw_1920.jpg?h=d681efaf3995295fc1aff6d35ec3c0f1)
How do espresso capsule machines work?
![](https://cdn.myportfolio.com/31f5aa09-6a82-42a7-892d-edc3788b063b/61877e6c-51ae-4e96-b5dd-d1ed876950f1_rw_1920.jpg?h=0010111ce45032362cdfe1f9d5c5a7b4)
How do covid tests work?
![](https://cdn.myportfolio.com/31f5aa09-6a82-42a7-892d-edc3788b063b/674bc0c4-00fa-407a-9b52-5e44cea3d7b3_rw_1920.jpg?h=cf59ce42487a9cb53b73e23ea845936e)
How do robot vacuum cleaners work?
![](https://cdn.myportfolio.com/31f5aa09-6a82-42a7-892d-edc3788b063b/37825db9-736e-4d68-8a4f-869a96052057_rw_1920.jpg?h=2f112f3d7b044f5234d88a3289e81f78)
How do eBikes work?
![](https://cdn.myportfolio.com/31f5aa09-6a82-42a7-892d-edc3788b063b/2811ee74-2bca-4c6f-995e-00a38d7da7e4_rw_1920.jpg?h=c8b3c54f2a7ed45acb0a78dd4b60fe27)
How do clothes iron work?
![](https://cdn.myportfolio.com/31f5aa09-6a82-42a7-892d-edc3788b063b/56b610c9-882b-4449-b4eb-1f59f44f19af_rw_1920.jpg?h=30127ba5bcb19c622936b3208ae1d6b1)
How does NASA's Perseverance send images to Earth?
![](https://cdn.myportfolio.com/31f5aa09-6a82-42a7-892d-edc3788b063b/df6d7987-f3fc-4c10-9c32-a66a710552b2_rw_1920.jpg?h=ec776ceec779978a34330e14dcc4594d)
How do smart watches measure heart rate?
![](https://cdn.myportfolio.com/31f5aa09-6a82-42a7-892d-edc3788b063b/5f02f37d-0ab1-41a7-bb51-d6d48f187f96_rw_1920.jpg?h=d147e275ecb8d92ea51e74cab4e24c0b)
How do integrated circuits work?