Mark

[TokerFriendly @TokerFriendlyWA]

Come say hiighhh!!! Happy Fire Friday!!

[Mark @Mark98264017]

I've earned $3 so far by learning about crypto on @Coinbase. See how much you can earn at: https://t.co/GJPvaNa4WJ

[Mark @Mark98264017]

I've earned $3 so far by learning about crypto on @Coinbase. See how much you can earn at: https://t.co/GJPvaNa4WJ

[Pranay Pathole @PPathole]

A super cool tracking shot of SpaceX's Falcon 9 rocket booster hurtling back down through the sky.

Engineering is magic 💫 @elonmusk @SpaceX

[Physics In History @PhysInHistory]

Physics Photo Of the Day:

Albert Einstein taking a nap in his yard in Berlin, Germany, 1933.