Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. The United States Consumer Product Safety Commission (CPSC) is well known for getting their point across on social media. A seven-minute montage of mannequins succumbing to 4th of July firework injuries may be an unconventional way to warn about the dangers of recreational explosives—but try forgetting those images when lighting your next bottle rocket. In similar pyrotechnic fashion, the CPSC is warning everyone to take extra care during the holidays when it comes to all kinds of combustible, seasonally appropriate objects. On December 22, the commission illustrated how some gifts are far more flammable than others with its 30-minute Escooter Lithium-Ion Battery Yule Log video. These rechargeable power sources are increasingly common, but their underlying internal chemical reactions also produce flammable gases that can easily burn for hours. They also require much more water to extinguish. A single EV car fire may need over 30,000 gallons to quench, but even smaller vehicles like e-scooters and hoverboards can be dangerous. escooter lithium-ion …