Mtastic retweeted
Japan is using piezoelectric floor tiles in busy areas like Shibuya and Tokyo Stations to convert footsteps into clean electricity.
Readers added context they thought people might want to know
These are Pavegen tiles from global demonstrations; the company lists no installations in Shibuya or Tokyo Stations. A small trial mat was placed outside Shibuya Station in 2008. pavegen.com/case-studies wired.com/2008/12/power-…
Mtastic retweeted
Artemis II: The Math of Deep Space Exploration
• LEO Insertion: 162 km x 1,801 km parking orbit.
• HEO Phase: 42-hour checkout in a high-eccentricity orbit (e approx. 0.88).
• TLI Burn: Delta v boost to reach escape velocity (v_e approx. 11.2 km/s).
• Lunar Flyby: Pericynthion at approx. 10,300 km from the surface.
• Max Distance: 400,171 km from Earth (The d_max human record).
• Entry Interface: 122 km altitude at Mach 32 (40,000 km/h).
A 10-day mission where every decimal point matters.
Mtastic retweeted
Most knee pain isn’t from age—it’s from weak, ignored muscles.
Do these wall sit exercise and your knee pain will decrease.
Want more exercises to fix it for life?
Mtastic retweeted
The Beginner’s Daily 50:
• 50 push-ups
• 50 squats
• 50 lunges
• 50 seconds wall sit
• 50 seconds plank
That’s your Daily 50…
📷 credit my trainer.phil
Mtastic retweeted
Want a calmer, happier baby?
Try this simple massage technique — just 5 minutes daily!













