No.1590
This is taken from Wikipedia. These possible thermobaric grenades are a new anti-tank grenade being developed or used by Ukraine in their war with Russia.
A typical weapon consists of a container packed with a fuel substance, the center of which has a small conventional-explosive "scatter charge". Fuels are chosen on the basis of the exothermicity of their oxidation, ranging from powdered metals, such as aluminum or magnesium, to organic materials, possibly with a self-contained partial oxidant.[16] The most recent development involves the use of nanofuels.[17][18]