[Tricks] Enable immersive mode with ADB command

//Turn on immersive mode (hide both status and navigation bars)
adb shell settings put global policy_control immersive.full=*
//Hide the navigation bar only
adb shell settings put global policy_control immersive.navigation=*
//These commands could be applied to specific apps, just replace the "*" with package names
//For example, if we want to immersive the Chrome and the Maps, just use the following command
adb shell settings put global policy_control immersive.full=com.android.chrome,com.google.android.apps.maps
//Revert to the standard mode
adb shell settings put global policy_control null

Massive explosion in Tianjin, China

A massive warehouse exloision happened in the northern part of Tianjin, China. It exploded twice and the second time was more serious, a witness said that she got out of her house as soon as possible once she heard the sound of the explosion, and she thougt it was an earth quake until she saw a big fireball in the sky which lighted up the whole city.

The media said that the explosion caused at least seventeen people died and up to 400 people injured.