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This article was originally featured on Popular Photography.

Just four months after launching, Snap (the company formerly known as Snapchat) has grounded its Pixy selfie drone. The diminutive $230 drone got middling reviews and suffered from low presales. Somewhat understandably, given the current economic climate, Snap CEO Evan Spiegel told staff that future development was being halted as “part of broader reprioritization of company resources.”

But the Pixy’s swift crash from grace got us all thinking here at PopPhoto about other products that were announced with great fanfare and then—just didn’t do much. Some are pure vaporware and never even launched, others were just colossal flops. These are some of our favorite defunct photo gadgets.

Light L16

The Light L16, announced in 2015, crammed 16 different smartphone cameras into one super-sized smartphone-sized package. It could take 52-megapixel images

Although nanotechnology and materials science are complicated topics for most of us, the research in these fields is of great importance to almost everyone. Your digital gadgets, for example, are completely dependent on it.

Today, all microelectronics depend on semiconductors. These are materials that are not very good at conducting electricity. But you can add tiny amounts of other substances to them, a process known as doping. This improves the semiconductor’s performance so they’re not so bad after all.

“In the past, we doped semiconductors and saw that this drastically changed the electrical properties of the material,” says PhD candidate Kasper Aas Hunnestad at NTNU’s Department of Materials Science and Engineering.

This is all well and good. It’s nice when something works. But beyond the fact that it works, we haven’t always understood very much of why it does. This is especially true at the atomic level.

“Now, we know