"One of the things I enjoy about it is bringing joy to others," Foster told NECN and NBC10 Boston Friday. Using a tiny brush to grab individual snowflakes, and a DIY-style microscope and camera setup, Foster super-sizes intricate details of ice crystals. Additionally, he uses a prism to send rainbow colors toward his lens for stunning backgrounds. "You get the perfect snowflake, you breathe on it, it melts, it blows away — there's a challenge aspect to it that I love," Foster explained. Caleb was living in Pennsylvania and already experimenting with magnifying flakes when his day job in life sciences research meant a relocation to Jericho, Vermont.